> The attacker will approach a staff member, claiming that their main account got disabled for some (they may state which) terms of service or community guidelines violation.

The whole scam would have fallen apart if Discord (or Reddit, Twitter, Facebook, ...) would be more transparent with bans: publicly marking profiles as "banned", communicating with groups/subreddits/discords that one of their admins/mods got booted off...

The scam relies on arbitrary bans without explanation and communication by platforms.