Then of course we get (big R) Religion, where humans use it as a means of power over other people. This is where we get the things we associate with religion today.
not to mention there seems to be a pattern across religions of the people in power sexually exploiting the powerless while simultaneously telling people they are wrong for having sex
There is a whole book in the Bible that is all about sex (Old Testament: [Song of Solomon](https://www.biblegateway.com/passage/?search=Song+of+Solomon...). The only difference is that sexuality is supposed to be shared and enjoyed in a marriage.
Then of course we get (big R) Religion, where humans use it as a means of power over other people. This is where we get the things we associate with religion today.