I don't understand why anyone with the usual unjust prejudices would like a franchise that is renowned for promoting equality and depicting a future without homophobia, sexism, etc.
People can be very selective about how they interpret a work of fiction. (For instance, there are some people who think ST is a show about peaceful exploration and diplomacy and others who think it's a show about space battles and weapons.) Or they can tolerate some part of it they don't like so long as it isn't pushed into the forefront.