Those lines will be crossed by just visiting a country that has different interpretations of what's acceptable to do.
I could also see the severely mentally ill or mentally handicapped, having no personal say in what happens to them and similar to today when it comes to medication being used.
> Those lines will be crossed by just visiting a country that has different interpretations of what's acceptable to do.
To some extent. For instance, I know of no country that allows you to drive while intoxicated (modulo varying minimums) while having enough car and population density for such driving to be a problem.
You're probably thinking of China and their laxer approach towards human genetic research. But that's arguably just having lines that shall not be crossed and staying on the good side of them; US and Europe seem to have decided instead to ban the whole field.
I could also see the severely mentally ill or mentally handicapped, having no personal say in what happens to them and similar to today when it comes to medication being used.