Unbridled Hedonism and social collapse without religion? What planet are you operating on? Most of the least religious countries are also deemed to be some of the best places to live:
http://www.usnews.com/news/best-coun...by-perception\
Looking at this list of the most religious, tell me where you think society functions better?
http://www.worldatlas.com/articles/m...the-world.html
The perception that morals are governed by religious fears, and without them humanity just can't cope and will devolve into chaos is absolutely wrong.