IMO it's at stage 4 atm. A) He'll have to take down every video with Tech in. B) He'll lose subscriptions and viewers, because people will blame him for either not knowing or he knew, but carried on regardless. (I don't think he knew, just look at serial killers, sex offenders and others who've hid in plain sight, before being exposed). C) More importantly, he has to take time away, to gather himself after losing his mother and then this double bombshell.
If this is his only revenue stream and has payments to make based off his earnings

.