What about that counts as far left activism?

Nearly every Republican who was in Congress in 2014 would have described at least 3/4 of what Trump has done this term as illegal and totally unacceptable, and would have described at least half of the rest as incompetent.

Unless you can make a case that since 2014 the country has moved so far to the right that even 2014 Republicans are now "far left", about the only thing you can infer from someone bitching about Trump is that they are probably not far right. (Even that one is pretty iffy because he's pissed off a lot of the far right now too).