This really. If people want to be gay then that is one thing, but they cannot be parents. They are not supposed to be parents.
Humans aren't supposed to fly, but we manage it and it has been one of the most important inventions in human history. It does a lot of good.
If the child is male he will get repeatedly beaten up at school
Surely that's indicative of a wider social issue, rather than "they are gay therefore they get beaten up"? And it would be more important to tackle the reasons why people irrationally hate other people, than simply restrict people's lives and freedoms to appease that irrationality?