He’s treating user security like a marketing tactic https://www.wired.com/story/twitter-sms-2fa-twitter-blue/
Twitter’s Two-Factor Authentication Change ‘Doesn't Make Sense’

The company will soon require users to pay for a Twitter Blue subscription to get sign-in codes via SMS. Security experts are baffled.

WIRED
@taylorlorenz feels like there could be a much simpler explanation: SMS is ungodly expensive, and he’s economically fucked, needing to cut big costs any knuckle-headed way he can imagine.