Trump is just the means to an end, which is advancing white nationalist / ethno-nationalist ideas. As long as that happens, they couldn't care less about his fraudulent behavior, massive conflicts of interest, cabinet appointees who are lifetime lobbyists and swamp denizens, or twitter rants against the press.

If anything, it's a useful distraction from their real agenda. Neo-nazis are parading, holding conferences, figuring out how to spread their evil ideas that sparked genocide and a world war last century. And the_donald is a massive tool for generating and spreading that propaganda.

Notice how they are already sneaking in posts promoting alt-right leaders like Le Pen in Europe. Every time you see a post about Euro politics in that subreddit, should be a wake-up call about their true agenda.

So next time you're scratching your head trying to see how they aren't mad at Trump for betraying each and every campaign promise, this is the answer. It was always a sideshow.