When Trump got elected and it broke people's brains. At that point, everything became permissible in order to fight Trump. Now that Trump is gone, you can't put the genie back in the bottle.
Since Trump, the Democratic establishment has effectively captured Mainstream Media, Big Tech and Social Media (with Academia being already firmly in the Democratic tent). Mainstream media and Big Tech isn't even pretending to be objective anymore. There is now an incestuous pipeline between executive leadership in those institutions and the Democratic establishment. And I say 'establishment' because it isn't just the Conservatives, Republicans and Libertarians that are getting censored. I don't like the anti-war, anti-American, class-focused Left, but those groups also get targeted, as are Progressives that focus on class (as opposed to cultural) issues.
>Weren't the last people to make this move (more more ineffectively, thankfully) the Christian right?
Apt analogy. This is the 'Christian Evangelical Right' from the 90s, with similar level of puritanism ... and with the backing of media companies and big tech. So much much worse.