He certainly has some politics that are more social-democrat leaning, however he clearly respects the free market.
There is nothing libertarian about Trump. He claims to want to drain the swamp, but how far did he get last time? And how can he do so, when he's utterly corrupt himself.
You say leftism is not compatible with reality and I don't fully disagree. But what's even less compatible with being a good president is being a bad person.