No different from guns. It's about how and who is using them, not the guns.
I've owned one or another fire-breathing twin-turbocharged performance cars most of my life. I have never caused an accident. In fact, to echo what someone else said, some of the most dangerous situations I find myself in with alarming frequency is getting on the 5 fwy right behind someone who merges onto the freeway at 45 mph with semi-trucks buzzing by and refuses to push down on the accelerator. I couldn't even count the number of times I've seen, played out right in front of me, all the makings of a horrific accident because of a slow driver. Good fast drivers are more aware (they have to be) and just get out of the way. Slow drivers are dangerous.
That said, if these people were doing this on surface streets they are dangerous morons. It's no different from someone shooting a gun up in the air.