>>715528665>>715537413>>715538424They just had to use stadium as a template for some MvM type shit, then tack on a 'story' in later updates. Overwatch players, which are typically:
>>715537605 and/or some flavor of gay, unironically thought the "pve" version was supposed to be a literal single player story mode. No fucking wonder blizzard didn't bother making that, but for whatever reason they couldn't just make an MvM/l4d mode. The story or whatever lore in the game is best viewed as a backdrop, anyone who takes it seriously is not a person worth listening to.