The differences exist on a spectrum and there’s no hard line between one or the other. Yes, as you mention, there are biological correlations. But at the edge

The differences exist on a spectrum and there’s no hard line between one or the other. Yes, as you mention, there are biological correlations. But at the edge cases, it’s quite subjective. How many races are there? Ask a different person and they’ll have a different list. Is Asian a race or is that ridiculously general? etc etc