If they weren't driving such expensive cars, I doubt they would have reached 200KM an hour in the first place.
As several people have pointed out, that's 124mph. That's fast, but not ridiculously so. I have accidentally hit 100mph in my car before. You certainly don't need a $100k+ sports car to do so. What the expensive sports car does do, however, is make traveling at that speed much safer than say some guy driving his souped up ricer.
Edit: Googling "Car confiscated for speeding
" brought up a great many examples from around the world, including one moron in Finland who decided to speed after he got his car washed to dry it off.
Any examples of what I asked for?
Any two or more cars seen 'racing' will be confiscated, he said and added traffic law allows police to impound a car for 30 days in addition to a fine of Dh2,000 and 12 black points for reckless driving. However, repeat offenders will have their vehicles confiscated permanently.
So only repeat offenders get them taken permanently.
Looking for a fast and easy way to dry your car after you wash it? Don't try speeding those little drops away. Police in Amsterdam stopped a man for just that. He was driving almost 70 in a 40 m.p.h. zone. Because he didn't have his driver's license with him, police confiscated the car. Clean or not, police will hold the car until he can prove he can legally drive.
Wasn't because he was speeding, but because he had no drivers license. And he gets the car back once he provides one.
Third link doesn't address the issue.
Fourth link doesn't have sufficient details to know whether he got the car back.
I'm not going to keep doing your digging here, but I've yet to find a single example where the only offense was speeding/racing (ie: no drinking, and no injuries or crashes) and the cars were confiscated permanently
. Again, you feel free to find cases showing otherwise, but I still haven't seen any.