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 Yup. SMS 2FA isn’t great, but pulling the rug out without paying up is pretty weak. Especially when they could have moved over to Email 2FA as a temp measure.

But I did actually log in over there today just to make sure my account was up to snuff. 🤷‍♂️