When I said clear discriminator I mean they are binary: either make or female, either black or white. Height or attractiveness are more diffuse for some people you can be tall/attractive but not for others. Gender and race are clear.
In my opinion height or attractiveness play a role in the society (a big role), but it is easier to talk about gender or race because the clear distinction, bigger represented groups and historical reasons.
In my opinion height or attractiveness play a role in the society (a big role), but it is easier to talk about gender or race because the clear distinction, bigger represented groups and historical reasons.