I think the flaw here is you don't form your success or failure of adoption based on if you can convince the skeptics.

Thinking everyone can be brought to your side with reason is not a logical assumption. Some people no matter how strong an argument will not want to do something no matter the level of evidence or reasoning. Be it their faith or stubbornness and we need to be ok with that.

jailing them, excluding them from society, or forcing them from their jobs to provide to their famalies is how you get people to side with skeptics and does the opposite effect