Why shouldn't their standards be high? Women that is.. I mean women are enjoying more financial success, and independence than ever before. Marriage is becoming a notion of the past. Children are being seen as to large of a burden, and relationships are being sent by the way side as a result.
If you ask me, kids are just starting to open their eyes is all.
EDIT: After thinking about this I would like to offer up some optimism. I think the lack of confidence in men that we see when approaching women will inevitable lead to women becoming less reluctant to approach men then it has historically been. Optimistically, I believe this will start to reverse some the effects we are noticing among single males.