Unfortunately I don’t know how to report magazines/users so I can’t help you there but I just want to add my support to what you’re asking because this sort of thing is against the kbin terms of service:
We expect all users to treat each other with respect and kindness. Harassment, hate speech, or any other form of harmful behavior will not be tolerated. We reserve the right to remove any content or user that violates these guidelines.
Unfortunately I don’t know how to report magazines/users so I can’t help you there but I just want to add my support to what you’re asking because this sort of thing is against the kbin terms of service: