Blåhaj doesnt have downvotes and I occasionally miss being able to down vote people replying to requests with something that someone specifically said they don’t want in the full-text. For other stuff, report tends to be applicable, particularly spam and racist trolls who just come to advertise or attempt to change the culture of Lemmy.
I don’t think I will ever feel comfortable learning NixOS since they accepted a sponsorship from Anduril until there was community backlash. Anduril performs violent border survailence for the US government and are responsible for a huge amount of death and suffering.