In my experience, most staunch opponents of mental health talk therapy are people who have serious issues and really do not want them to be talked about and fixed. Issues like bad anger management when they want to keep the anger out of anger, eating disorder which makes you not want to heal, because you might get cured and fat.

There is such a thing as being unhappy about actual therapy that did nothing or harmed you. But you see the staunch opponents who never been at therapy and have only movie understanding of it having tons of strong opinions or fear.