I think it‘s all about your target audience. I‘ve never bothered with Native American or Middle Eastern Edge cases because all of my clients serve white Europea

I think it‘s all about your target audience. I‘ve never bothered with Native American or Middle Eastern Edge cases because all of my clients serve white Europeans that fit into the two name scheme 99.999%. So I won‘t go the extra mile to optimise for the 1 in 100,000. Why should I? There will be no ROI.