If an employer doesn't want to hire homosexuals, they shouldn't be forced to.
If an employer doesn't want to hire anti-gay right activists, they shouldn't be forced to.
The government, on the other hand, shouldn't be allowed to discriminate. They have to abide by the U.S. Constitution (since the Constitution was written to limit government power).
It's literally as simple as that. Instead of being against the gay rights movement, I'm against the anti-free market movement.