Threads is horrible. My feed starts with a bunch of crap. I see some of my follows after scrolling a fair bit

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.

I kind of like it.