I've never driven on one, so can't really say one way or another, but I don't think so. Just because you see cars going a fairly constant speed in these videos, doesn't mean that's how people would actually race on them. I don't think the racing line takes the need to drive the car out of the equation, though it does take away the need to think about which lane to be in when coming up on another car. You still need to get yourself into that position and not crash while you're trying to make that pass, or even to not tail out too much and lose speed and end up behind the other guy again.