I regularly overtake far too many people in highly capable machines that make me shake my head and wonder (often aloud).... "why in the f*** did you waste money on buying a sports car?".
Seriously. If I can easily overtake you and continue down the road in a safe fashion at the higher speed i choose - possibly still under the speed limit in many of these cases - on my skinny tyres, high-riding soft suspension, small disc & drum brake setup, wide 4 speed box and an engine with about as much power as a mouse fart.... then surely your vehicle is far better equipped than mine to do the same?
Maybe your reactions aren't up to it. In that case, get off the road. Or buy a cheaper car and hire a chauffeur with the proceeds. Or a taxi.
Maybe you don't like driving fast. In which case do your arse and wrists a favour and buy something more standard (or the unmodified version if its a Type R, MG etc) with a much plusher cruising experience than that stiff suspension, minimal sound insulation, heavy steering, sports seat and lack of AC/other toys may offer.
Maybe you just don't feel like driving fast *today*. Fair enough. I have trouble beleiving it because of the sheer number of these incidents that occur, but lets take it as fact for now. In which case, please try to keep out of the way, keep your speed to at least a reasonable level (eg 45-50mph on a clear, dry bit of A road with minimal curves), and dont do dumb stuff like take the "outside" lane when presented with a road widened out to three on a steep hill (grr! lights and then undertakage ensue).
Maybe you just want to cruise in something that looks bling. In which case buy a friggin lowrider (or, heaven forbid, mod up a 1-litre) so that at least the rest of us have something cool to look at while waiting to overtake. (don't buy an Escalade or other high vehicle. *designed* to be slow, sure, but impossible to see around)
Case in point today. Made nice progress to work. Held up a couple of times and had to overtake slow 'regular' cars. Not too much problem there, people choosing their own speeds (discounting the guy who not only missed the 40 changing to 60, but the previous 30 to 40, requiring me to burn off some asbestos) in nice comfy family saloons, and I after all am the fool with his foot down who is trying not to be late. Yes, even the BMW, as it was a 7 series and therefore as likely to have been bought as a barge than a speedboat.
What really sent the blood thermometer up was being caught behind an MG ZS (the one based on the 45, with quite a spunky engine, full sports modification and strip-down) going even slower than most of the above. Came to a curve signposted 40mph max for safety (yknow.. if you're a truck.. and it's snowing. an overloaded 2CV could take it at 60) for which they took it at 35. And barely accelerated after. I almost ended up in their bumper before realising the expected burst of speed out of the corner (as you might get addicted to in an MG) wasn't coming and hitting the anchors. I was still in top at that point... Eventually get sick of sitting at 20-under behind someone who should by rights kick my arse right from idle, drop to 2nd (2nd!), buzz past and continue on my way, making nice time - and assuming they were going the same way, arriving a good 3 or 4 minutes earlier. What the heck?
Whats worse is that, if they kept it up, they would eventually have the truck that was behind me coming off the last roundabout six inches off their bumper (well... at least there wasnt the extra irritant of them suddenly appearing out of nowhere in the mirror and tailgating me at full whack for a mile) as well as plenty other assorted traffic, much of which may not have had the lucky opportunity of a bare bit of road that i did to get past (or the power to do so safely, with the truck). When you get taken like a baby by someone driving a car a quarter of your power with tyres half the width of yours and are in danger of holding up road freight, why drive an expensive, uncomfortable (and uneconomical) sports car?
Incidentally this was on a road which has several parts where I struggle to keep up 60, so if they had been within a sniff of the limit, I wouldn't have bothered. Never mind people being fools on motorways (although - 40mph in the middle lane - thats unacceptable even in the *nearside* lane unless you're grinding an 18 tonner up a 1 in 20 grade... should have dropped to 30 to see if he'd take enough offense to get off the f**in phone) - you have 3 lanes to play with if you're a bit loose with the rules and keep your eyes and wits open. Being a nonce on a single carriageway means you're farrrrr more likely to p*** people off.
This essay brought to you by "yes, i am jealous, so what" and "grrr! industries ltd". and at least ive got that particular issue (why buy what you're not going to use?! just showing off to p*** off those who cant get it?) off my chest so hopefully it wont pop up again for a while...
I'll bring you weekly, more consise updates if you like
(maybe no real "races", but tales of 0wnage from my own twisted perspective nontheless)
I know I went off the rails a bit with that wibble, but some of those responses scare me! 
My we have a lot of similarly Angry Young Things on this board. Speshally Cal, if you were being serious! I was considering an enforced engine downsize and maybe a couple slaps with a wet fish. Breaking legs was only going to be for a 3rd repeat offense.
on the roof and side with a stupid cardboard box resting against while clearing space inside... scratched by cardboard for frigs sake!) with very little hold-up save the usual patches of traffic-wave crawl. Both ways less than an hour. Only had to undertake a couple of people who didn't realise the perfectly clear middle lane was better than the outside lane queue they were stuck in...