I despise Trump, but claiming that talking about his shortcomings is an apolitical conversation is totally disingenuous. Politics isn't this bloodless process of determining the best policies by rational debate, as much we'd like it to be. Politics, as often as not, consists entirely of making the other team look bad, to raise the relative status of your own team. That's just how humans operate.
My point is that "discussing politics (A)", where people bring their best arguments to the table and have a friendly intellectual discussion is very different from "discussing politics (B)", where people bond over hating the outgroup of the other political tribe.
And I did this because OP seemed to naively think that since his coworkers do (B), they would also be happy to do (A) with him. Trying to give him a clue before he hurt himself.
Those are quite different things.