Chuckles - Ok I'll bite.
My guess is that for you 'fundamentalist' is a bad word - only when attached to systems of thought or belief to which you are not an adherent.
How about a fundamentalist constitutionalist? Or maybe a fundamentalist 2nd Amendment proponent? Either one sounds to me like a badge of honor.
Bottom line: if the fundamentals are worthless, then I would submit that the entire line of thought is as well.
Are you a meat-eater - or one of those who eat vegetarian steak?
But you are right, there does seem to be some negative connotations what with the speaking in tongues and handling snakes.