Philo calls signing in with your phone number and a 6-digit code "two-factor authentication." If that's 2FA, then a username and password counts as 2FA, and a good password is MORE secure than a 6-digit code. https://www.pcmag.com/roundup/336650/the-best-video-streaming-services
Liberdon is a Mastodon instance for libertarians, ancaps, anarchists, voluntaryists, agorists, etc to sound off without fear of reprisal from jack or zuck. It was created in the wake of the Great Twitter Cullings of 2018, when a number of prominent libertarian accounts were suspended or banned.