I think this is the closest thing you can do https://docs.github.com/en/github/building-a-strong-community/blocking-a-user-from-your-personal-account https://d

I think this is the closest thing you can do https://docs.github.com/en/github/building-a-strong-community/blocking-a-user-from-your-personal-account https://docs.github.com/en/github/building-a-strong-communit... https://docs.github.com/en/github/building-a-strong-community/blocking-a-user-from-your-organization https://docs.github.com/en/github/building-a-strong-communit... But that still means maintainers have to build an active list of blocked users. That's definitely not scalable.