...No, you definitely have more options than that.
The utility of a Bus Drive, especially if you can self target, is to try and take heat off yourself and onto a player you don't like/suspect. But since it goes both ways, you also want to target a player who's less likely to be targeted, in general.
I supposedly match the first criteria, (Mostly by your word, not by your actions whatsoever), but not the second. If I'm scum that just narrowly got away with a lynch you risk framing yourself or taking a shot meant for me...for what?
It's just an ad hoc explanation, clear as day.