Rich people have always had the freedom to be who they are. You think wealthy gay men were beaten up in back alleys? Maybe they couldn’t announce it to the world but they pretty much got to live their lives in peace. When you don’t have to work to survive and when the world bends to your will it’s amazing how culture doesn’t seem to effect you so harshly anymore.
It’s not that culture isn’t important. It’s that the ability to live in peace for who you are tends to come automatically when you have your living taken care of.
We’re still in the bad timeline where Biff went back in time with the sports almanac. That one doesn’t get flying cars.