Lyric discussion by tejdog1 

Cover art for Heaven Knows lyrics by Pretty Reckless, The

I think this song is about mocking organized religion telling people of different faiths/sexual orientations that they belong in hell.

No, it isn't. I don't know what makes you think that. When Taylor uses religion in her music, she even claims it's for metaphorical purposes.

But no. She isn't religious, she's spiritual, but please, PLEASE don't confuse her art to be superficial, hyper religious claims.