Nope, they sure aren't! Just as they're not obligated to nuke all of the personal accounts for everyone who works for the third-party app. Not being obligated

Nope, they sure aren't! Just as they're not obligated to nuke all of the personal accounts for everyone who works for the third-party app. Not being obligated to do something doesn't mean that one is excluded from looking like an asshole if they don't do that thing.