https://en.wikipedia.org/wiki/LGBTQ_history_in_the_United_States

You're picturing some movies instead of laws, police, prisons. Perhaps they'll take some inspiration from Putin: https://theconversation.com/putins-russia-first-arrests-under-new-anti-lgbt-laws-mark-new-era-of-repression-226864

These are the legal approaches. The other one is violent assholes murdering queers and then getting away with it somehow. For example, https://en.wikipedia.org/wiki/Gay_panic_defense

You need to broaden your understanding of dystopian horizons.