Putin.

Everything Trump has done helps Putin.

He's started a trade war that will destabilize the west. He's pulled funding from Ukraine. He's blatantly lied about who started the war. He's stopped cyber efforts against Russia. He's openly talked about lifting sanctions. He's trying to get the Nord Stream back on the table.

You take all these facts together, it is plainly obvious that Trump is a traitor to the United States. He's openly aiding a dictator by destabilizing western civilization. If you put these facts on the table in front of anyone and they deny he is a traitor, they are probably a traitor too.

I can think of one guy who definitely benefits

It's going to be another exhausting 4 more years of "slams" and "blisters", isn't it? It's truly depressing that this is the best that Americans can muster - having their talking heads 'lay Trump out' while he goes about doing his thing.