Everyone does this, and I don't see it as a bug. I didn't even know it's not allowed untill now, and if you ask me (but who gives a shit about my opinion) I would say allow it, it's also a part of the game that you pretend to get in a car, and then you don't. Everyone knows as soon as you get in a car the attacker stands in front of your car, so it's hard to drive away. It's a bug too that you can't drive over the attacker if you look at it like this, but still it's allowed. Faking to get in a car is a strategy aswell, and I don't mind others doing this to me (which happens like all the time).