Private platforms can choose not to amplify hateful shit.
So, if you were being serious about stopping things like that you would be specifically going after bots and shills, not opinions. That's a huge distinction to be made that I don't think you're properly addressing.
Censorship is if you try to print your own newsletter and the FBI comes and destroys it.
How exactly do you define free speech?
The people who are being asked to use their private resources to amplify it.
That's called freedom of speech (and freedom of the press.)
They'll be dressed up in all kinds of rationalizations, but that's the truth of it.
Until we can get people to be honest about that, there's nowhere for this conversation to go.
You should make a distinction here, because I think most people assume you mean censorship.
And would your definition reflect Instagram's definition, as seen in the following example?