[jfengel]

The vaccine case is notable. The people who are now prominently decrying vaccines are not the ones who "always believe vaccines are dangerous.

It is a new position, driven by ideological conflict but not based in ideology. There is nothing about their previous beliefs that makes them doubt vaccines in general or this vaccine in particular. It is solely about defending an ego-driven position that those who take COVID seriously are wrong, and everything else about it is post hoc rationalization.

They are entitled to that opinion only in the trivial sense that you cannot compel thought. In every other way it is an absurd position of no merit, not even in defending their own genuine beliefs and values.