"It is a fascinating moment when this sort of crystallization happens in a mass culture like America’s, because seemingly overnight even the definition of legitimate speech (or thought or action) also changes. Tocqueville observed that quite abruptly a person can no longer express opinions or raise questions that only days before were acceptable, even though no facts of the matter have changed. At an individual level, people who were within the bounds can be surprised to find themselves “tormented by the slights and persecutions of daily obloquy.” Once this occurs, he wrote, “your fellow-creatures will shun you like an impure being, and those who are most persuaded of your innocence will abandon you too, lest they should be shunned in their turn.”'

Please read this. By far the best article on the Covid vaccine issue I have seen. Dr. Norman Doidge is a credible scientist and an accomplished writer and he does his homework

Here's another must-read by Norman Doidge: