Here's an issue I have, it's that if you dig into the backstory of 90% of the people claiming this narrative, it's not what happened. They aren't "cancelled for their opinions" but instead they are making decisions that lead to their blackball.
Consider the case of Judy Mikovits. She likes to claim that she was fired for her wild ideas. But that's not why. She was fired because she was stealing a colleagues mail, got put on probation, and then had her understudy steal her laptop (which she never returned).
Her firing has nothing to do with bad thought.
I encourage you to point out other examples because they all tend to end like this. It's compelling to have a "I was cancelled" story.
But also, this just isn't the same. These "cancelled" people are pretty much all on the podcast/media train. Some of them making a decent chunk of change. That's completely different from having a van with masked strangers pull up, grab you off the street, and then ultimately imprison you who knows where with no access to a lawyer. Potentially ending with you being sent to an El Salvadoran death camp.
These are not the same thing.