I can only speak for the competitive Overwatch Reddit, but it seems like outside of that and a few Discord channels, that's the most active community following the pro OW scene.
Ever since NRG became NRG, it seems they've always had an issue with one or two players being the punching bag for the rest of the team. I remember it was Gods when he was on the team. I think there was some of it directed towards Clockwork too. But Dummy got so much vitriol directed his way.
Basically, before Seagull left, and I think before Harb and IDDQD signed on, whenever NRG played someone would draw attention to Dummy's poor plays and decision making. Eventually this narrative caught on, and it followed him for months. People would blame all of NRGs poor performances on him, and claim that they needed a better off-support to win more. Eventually Dummy was ousted from the team, which was pretty recent.