As a former Hemodialysis Technician, I can tell you, those old coots get angry REAL quick. They're usually miserable pricks, which I can understand, spending 3 days a week, 4 hours or more a day, and a dialysis center is a pain in the ass. I think it's funny that the one dude was already in his chair, and hooked to a machine, that's about as vulnerable a person can get, you dont want to have your lines pop out, or you can legit bleed out.
You know, when the officiating goes fully in one direction, it can be dismissed as sour grapes. But when the refereeing goes out of its way to affect BOTH teams, then someone in the league needs to acknowledge that there's a problem.