when it comes to masto, i don't think it's coincidental that these cries to "keep mastodon weird!" are cropping up at the same time new and old PoC users describe their experiences with racism.
specifically, Black masto users describing their experiences with antiblackness
on a visceral level it's offensive, but also heinously high school. the idea that if you fiercely gatekeep who is allowed in and scare away those who you assume "wouldn't make a good fit" then you create a hermetic seal