Yes, it is. My philosophical stance has been changing and evolving constantly over these 40+ years that I have been alive. Unlike my race or my sexuality, it's not part of who I am, it's part of who I choose to be.

In fact, I would go so far as to say that anyone who feels like they have no control over their religion -- the same way they have no control over which color of skin they were born with -- should seek help because they're being abused by someone.