"We (the maintainers) don't want to work with you if you do/believe X" seems quite sane to me, it's their choice after all. If you don't like it, fork it or mov

"We (the maintainers) don't want to work with you if you do/believe X" seems quite sane to me, it's their choice after all. If you don't like it, fork it or move along. Code of conducts are supposed to regulate how contributors to the project interact. Especially nowadays, where projects can come with a significant social aspect/dynamic, this becomes important.