No He isn't. Some people say God dpesn't exist because of violence. But thats the thing, God gives us free will and He wants us to follow Him, but when people use their free will for evil such as murder or whatever, then it is too bad. Like Friedrich Nietzsche, he said that "God was dead" because of the violence in the world.

EDIT: Anton, I did not say it was a mental disorder, I said nobody is born that way unless it is a result of a mental disorder. And homosexuals have not been around forever, God didn't make them, it is just a way some people love. Porn, God did not make it, why? Because these magazines did not exist, WE made them. Sure, they some from things God did make, but that doesn't mean a thing.