You can always start with "more than 50% of shares held by $ETHNICITY", and if you notice that you have an effect you can slowly lower the limit to allow fewer and fewer $ETHNICITY shareholders.
If we’re talking globally then plenty of examples of that exist right now.
I don’t know your gender, race, ethnicity, religion, or country of origin, but I can guarantee someone you’re going to have issues doing business because of discrimination. Saying X in not an issue in a country where X is protected/prohibited/regulated etc is a very week argument for getting rid of the associated laws.
