Dealing with an exploitative dictator by overthrowing that ruler and replacing them with oneself as dictator is fighting the dictator, but not dictatorship. Likewise, one can fight fundamentalists in a manner that is equally fundamentalist and so does not fight fundamentalism.
This was a comment I left on a recent blog post about diagnosing and treating unreformed fundamentalism. See also Libby Anne’s response to Allan Bevere’s post, in which she offers some interesting push-back on a number of points.