Modern denialism tends to be more centered around climate change- whether it is occurring, and what the impacts will be in the near and long term, and how to respond. Many physics people (who worked on high energy particle physics, etc) have looked at the claims from the various climate change promoters and found the source evidence to be less than convincing. If they articulate this, they are often described as denialists. Here's an example: https://en.wikipedia.org/wiki/William_Happer
a.n.y.t.h.i.n.g
I've watched very experienced, top school trained MDs freeze up and begin to stutter, as they've just realized they said something their lab chief does not like.
Coincidentally, that chief writes treatment guidelines and consults the FDA, and is probably one of the most powerful physicians in the profession.
Medicine is a very hierarchical top-down command structure type of field.
Did he end up permanently losing it?