These dudes are attacking an argument thats not even being made. When was "born this way" the end all be all stance for pro gay arguments? Stop listening to lady gaga.
This. This whole thread is a misframing of these arguments. No one says that since a person is born with certain likes/desires, therefore that thought is automatically 'okay'. Some people view one attraction as okay and another not because, again, consent. The "born this way" argument is a counter to the notion that an individual chooses what he/she likes.
Besides, what difference does it make? I'm sure I've had some thoughts about the Kardashian sisters that many people would view as sick. We don't have thought crime legislation. Thoughts about illegal actions may warrant some type of counseling though.
So, you can continue thinking homosexuality is sick ... no one cares. But at least understand the difference for why people feel that homosexuality ought to be thought of differently than pedophilia/beastality/etc.