People have bias. Are you are exempt? Is it _always_ scientific to decide what's in someone's head and then use that assumption to justify not liking them for a action you would appreciate if someone else did it?
You said in 3 different ways you do not trust Trump, are there specific actions you can imagine that he would need do to do to gain more trust from you? Can't you just cop-out by still arguing it's his intent (as decided by you) that matters?