Can people please stop commenting on HN threads pretending to know about hacking and making false claims.
Look, there are really only two general approaches to arguing over the dictionary: Trotskyism (i.e., permanent revolution), and joining with the forces of evil.
https://en.wikipedia.org/wiki/Talk:2020_Twitter_bitcoin_scam...
Also the amount of time for them to identify it, they had blocked tweeting the address and blocked all verified users from posting before they could find the rogue account indicates logging and analysis of their admin tool actions is also not robust.
Exploiting these two vulnerabilities whether by blackmail, bribe or RAT should not make a difference to consider it a hack