I want to see everyone able to encourage or refuse customers completely freely.
Without the silly figleaf of "religious belief." Hotels, bars, rental apartments, house sales, everything.
Then the onus would be on the customers to behave themselves or get rejected. Right now people can be incredibly weird and criminal, like the Starbucks blacks who wanted to shoot up in the restroom, or whatever they were doing in there together, maybe homosexual sex, and somehow it's all supposed to be great "diversity." It's not great: it's yucky. Let people choose freely who they want to serve and who they don't.