Actually you are completely wrong.
The purpose of the homosexual agenda and the greater leftist social issues agenda of which it is a part have the express and stated purpose of destroying the natural family and traditional moral values, so as to disrupt the social fabric. Then the leftists can control more easily.
Example: you may keep your house and yard neat and clean, but if your entire neighborhood (or even a few neighbors) insist on throwing garbage everhwere, letting their dogs roam and poop everywhere, and so on, even the clean and neat households are bothered.