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![](https://beehaw.org/pictrs/image/1be75b15-2f18-429d-acf7-dcea8e512a4b.png)
If you think he did something illegal, report him to the police or sue him. If not, then this is freedom of speech.
…and? People also have freedom of association, and people can choose not to associate with an organization that employs someone with morally awful beliefs - especially when they make those beliefs very public.
Look into installing AppArmor instead of SELinux. AppArmor is easier to configure, and SELinux is not officially supported on Arch.