This will be very unpopular, but it’d be extremely unlikely if all of the very prejudicial things humans believed about one another were scientifically unsupported.
That doesn’t tell you which ones are true, mind you (and I certainly do not claim to know), but it’s very likely that some are.
Inspired by this:
When people find a scientific hypothesis morally offensive, they see it as less plausible. https://t.co/1dvSPEoaLx pic.twitter.com/LHYgJwnpDf
— Steve Stewart-Williams (@SteveStuWill) June 12, 2021