Fifty Shades of Grey: it makes On Golden Pond look erotic

Jamie Dornan, who stars in Fifty Shades of Grey. Photo from Wikipedia by user Stemoc (CC BY 2.0).

I went (well, to see hot naked people, unsurprisingly, but anyway) after witnessing Facebook posting everywhere, including Jonathan Jansen-like Letters to My Children, Why Christian Women Should Just say No to Christian Grey, What is Wrong with America? and even What Should Feminists Do?