I'm a different anon than the previous one.
The point you raise is a valid one, Overlordd: when is a child's behavior extreme enough to warrant the extraordinary step of sending him or her to a specialized program? I go on record here and now as saying that I think sometimes, hopefully rarely, this is a necessary step.
You say that you argue with your parents: that's a little different than in the previous anon's post which refers to kids to repeatedly threaten to hit their parents.
And I don't know your age, though if you are out of school I've got to assume you're of age.
If you were a minor, then if your parents could be called "good enough" that is, reasonably competent parents, they'd get to make the call about where you were sent, most likely after consulting with people they trusted-- which may include clergy, family, psychologists, etc. (If you're an adult and were threatening to hit your parents, well, I guess, regretfully, that's where police/lawyers get called into a family situation).
You're "obsessed" with fire? I have to ask: do you really mean "obsessed" or just very fascinated as I, for example, am fascinated with the ocean. Because if you're "obsessed" in the sense of heading toward arson, well, I hope you get some kind of guidance, whatever your age.
If my minor child was "obsessed" with fire )in the true sense of the word) I sure would seek out some kind of program to address this, however many "good things" were also included in his/her personality.