Meh, two_stabs may be a repeat wanker, but he/she makes a couple of good points.

There's a huge difference between parents who use drugs while pregnant/use drugs with children in the house/have a drug addiction and parents who every once in a while happen to set their kids up with a reliable/responsible baby sitter while they go have a good time for a night.

I think the people who were desperately trying to equate the two scenarios were being at least as wanky as two_stabs.