I might be one of those odd people who wouldn't hide it, since I have no problems with telling family members to fuck off if they're cunts.
Family is who you treat like family. Just because this person is part of your family, and you're part of my family, that doesn't make them part of my family.
Besides, I would really love the idea of pissing some of them off.
You can tell them to fuck off, but they still may make nuisance of themselves doing frivolous legal shit with no standing that's just annoying to deal with