We can talk about 'rules' all we want here in the west but there is no way you are going to be able to regulate this stuff and trying to ban the ingredients is just going to lead to people buying it from less reputable sources that have impurities so you will end up with spliced up babies that have a bunch of additional defects instead of just spliced up babies.
We can try to explain to our fellow citizens that there is in fact no such thing as an intelligence gene, but that won't stop them from wanting it and certainly won't stop the snake oil salesmen from selling it. We've never been here before and we learn by trial and error, just like evolution.