> There's a difference between post-facto bravery (sometimes much less than that) and using your own legs to walk away much early and not enabling things you are uncomfortable with. This is what other people have been trying to point out.

Yes, and I think it's important to realize that the former sometimes can be more insightful and useful than the latter, even if the person doing it is more distasteful.

There's not nearly enough of either group doing it, so beggars can't really be choosers.