I don’t want to misquote WillFarnaby. Here are his words:
Beyond implying that eradicating smallpox was irrelevant, he seems to imply it’s along a slippery slope to mandatory abortions. 
I think we should ask Farnaby to reduce his “philosophy” to a more basic and understandable level. I repeat:
WillFarnaby, Do you agree with OP that it was “immoral” for Oog the Baboon’s grandfather to make him share banana with his cousin?