I spent many an evening at her church watching in awed wonder at the speaking in tongues, the laying on of hands and other "spirit filled" bug-nut craziness.

These people are crazy; my sister is still alive. I can condemn them for many things but my sister is still alive.

You sister found a group of bug-nut crazies (great phrase, BTW) that complement her bug-nut craziness. The difference is that the group she found values living over self destructive behavior. You sister is no less whacked than she was when she was snorting coke off the backside of some bass player somewhere. The only difference is the company she now keeps. IMHO, she found a better class of whack jobs; the price of entry was a spiritual-based superstition. Not a bad trade, all things considered.