It isn't hard to say something more true and less extreme, but the purpose of the enforcement of the "safe and effective" narrative across channels was about tr

It isn't hard to say something more true and less extreme, but the purpose of the enforcement of the "safe and effective" narrative across channels was about tribal signaling. The good tribe said "safe and effective" and everybody who disagreed was part of the bad tribe and needed to have bad things done to them. Basically the same reason shibboleths were invented to begin with.