Lots of so-called “cyber security professionals” triggered by Musk disabling SMS 2FA on Twitter.

Imagine defending SMS 2FA — unauthenticated, no data integrity checks, easily intercepted, sent over the insecure SS7 network — because of your leftwing politics.

https://www.howtogeek.com/709373/why-sms-text-messages-arent-private-or-secure/