Taylor knows that if he leaves the bus he's buggered. Isn't looking to start a race riot or anything, just having a uniform on the bus will likely be enough to keep him in one piece until he can get back into a better part of town.
Oh, and how many of them are there? He's decent with his baton and has some armor, but would *really* rather leave this sort of thing to Mantis or Knives (once he meets them that is ;p).