Don't think so, but there should be a performance review for umpires when questionable decisions happen. That card was completely unnecessary and without a single warning prior to the card.
For stalling. He didn't stall. What are you supposed to do when fans are still cheering?
EDIT: in tennis the umpires ask for silence. In table tennis you get a yellow card.
So what do they say to the umpire? I want to change my shirt outside? Because Fan surely didn't take a piss in that time.
EDIT: Harimoto with bathroom break now.