Indeed. Greenwald helped Snowden; he has the chops to see what's going on. To wit, his subsequent tweet:
Glenn Greenwald @ggreenwald Jan 11
Do you know how many of the people arrested in connection with the Capitol invasion were active users of Parler?
Zero.
The planning was largely done on Facebook. This is all a bullshit pretext for silencing competitors on ideological grounds: just the start.