Episode 19's changes don't make any sense unless he didn't want anyone outside his friend group associated with khonjin house. (If I can recall on a stream he said that that the person that voiced Fred was his little brother and that the wreck-it-ralph joke was placed as a nudge to an inside joke between Connor and gay spagger's VA [ or spagger's love interest could be a clue to shelby as well])
He says these changes was to hide supermental lore bet really cant figure out what these changed parts mean. Maybe the changes being made in themself is hints because of pints powers? Hmmm...
I think some of the changes are just things like... thinking it’s not funny or some of the voices being people out of their friend group they don’t want associated with the series anymore