Which is what I've said all along, we're all individuals with our own minds and opinions!
Beyond that, lesbians are a clearly delineated class of people within the sex class that is female. That delineation relates to their sexual orientation.
Similarly, gay men are a clearly delineated class of people within the sex class that is male.
So, while each of us is an individual each of us also belong to a class or category.
It is as classes with sometimes identical and sometimes similar needs in certain circumstances that we are all treated for public policy purposes.