The issue is that conservatives have always tried to force people to go along with their views, and reacted with oppression and violence towards anyone who didn't fit into their straightjacket.
> progressives haven't wanted the same rights for everyone for decades
It's been a developing journey. It started with rights for people who weren't noble born, then men who weren't rich, then women and ethnic minorities, then gay people, then transgender people. It's a gradual expansion of rights until everybody is able to enjoy the same rights.