The fact that there's censorship is self-evident. It's highly documented that in the past 3 years social media companies have cracked down on specific political speech. They banned a sitting president, and are continuing to ban speech from political candidates from both US political parties.
So was this caused by the government? Well, we do know that there's the twitter files, but maybe you go "hey, he's a far right electric car guy, don't believe him" -- I know what happened to me.
I donated to a protest I agreed in. The company returned my money.
Hey, ok. Maybe it was just that this specific company didn't agree with the protest. The protest moved to another company that agreed with the protest. The money was prevented from reaching the cause by the government.
People started looking at new ways to help, and the government threatened to sieze our bank accounts.
This is highly documented, was a public event. So we at least circumstantially know that western governments directly engaged in censorship.
Eventually you end up with a preponderance of the evidence.
Hey, you disagree with my political speech and think I deserve to be censored by the government? Great. Fine. Just remember that tomorrow it might be you who has something unpopular to say.