Reddit should have the top mod be an admin, for at least the majors. Kind of crazy that the don’t.

Bigotry is still active, just different groups. Racism is definitely still active, just different groups (look up stats on violence against Asians or their chances of getting into the Ivy Leagues). Human nature is so strong, I admire and doubt your optimism.

Sexism being actively obsolete in 20 years is possible and would be a good start.