> The same ideas were used to argue against stem cell research, IVF, and many other treatments and ideas that have saved and helped lives.

You write as if objections to (certain kinds of) stem cell research, IVF, etc. have been roundly defeated in some way simply because they've "saved and helped lives". This is naked utilitarianism and I hope I don't have to rehearse the reasons why utilitarianism fails utterly as moral theory.