Judges updating constitutions as they see fit is not "getting it right". "Everybody does it" is not an excuse for judicial legislation.
It's also called recognizing rights of individuals, something that many here want no part of.
One of the reasons socialists push sexual libertinism, homosexuality, etc., is that they tend to lead to bigger government in the long run. That's why Europe has seen such an expansion of government power as it's become more sexually "tolerant". Note that sexually "tolerant" Sweden has astronomical tax levels, a massive bureaucracy, government that intrudes into people's lives at a level unheard of here.
People tend to forget about freedom of speech, freedom of the press, property rights, gun rights, and so on when liberty becomes defined around sex. To express it symbolically, while people are out having an orgy to celebrate their sexual liberation, government takes over everything else.