He has definitely moved into Right wing circles after the Democratic backlash to Snowden/wikileaks/etc. in the aftermath of the Podesra, etc. leaks.
The reality winner stuff is disingenuous, most of this was messed up by the people who pushed Greenwald out, you can read more about this elsewhere.
Look, the guy is complicated, but he has made valuable contributions. He exposes corruption & public-private collusion. There is clearly a lot of smoke around the Hunter Biden stuff. I don’t agree that it is the biggest deal, but I can see why that level of governmental intervention into the private matters of presidential family might interest civil liberties reporters and that does not make it a “conspiracy” (the WaPo has a 7 year old history of calling inconvenient truths conspiracy at this point).