Yeah I can almost guarantee that the original plan was always for him to leave.
I don’t think so, mostly because of how long it took for him to be “retired” after the whole fiasco, almost a full month. Had it taken only a week, I’d find that more plausible, as that’d actually make it look like it was his fault and that Unity as a company “saw the error in their way”
Or it could be that they suck even harder at saving face than we thought.