In my organization we need merely pull their network connection or throw resources at solving the problem. In our business problem, isolating them causes outside users to complain because still want to interact with them whether we like it or not. The American Psychiatric Association as removed homosexuality from its list of illnesses. It has called upon legislators to remove laws pertaining to homosexuality. As stated above, many laws concerning homosexuality are either being dropped from the books or ignored.
Many people take a religious view of it, quoting various scripture.
What it eventually comes down to is set theory, and the practicality of implementation. Members of a population are influenced in their thinking by a two simple methods. You've seen my style of thinking about things. Please persuade me. Define your standards.