> Our culture is in middle of making unprecedented
> changes to a core social institution that goes back
> into prehistory.
Homosexuality was not a big deal during Ancient History. Then came Christianity and its obscurantism, shaming everything that was not in the good book for the sake of control. Our culture is going back to its roots paganism and greek heritage it's a long way since the Renaissance.
Some caution about throwing out the moral foundations of our culture that have served for 1,800 years is not unreasonable. The assumption that Christianity, monogamy, or even the nuclear family can be removed with no negative consequences is full of reckless hubris