To you, it might be admirable. To others, it's just a constant reminder of existential threats. Kudos to you if you can handle it, but it's not anyones place to say just how much is too much to cut them off.
I mean, people are obviously free to choose to associate with who they wish. But let's be clear: if a person decides to cut someone off merely because their beliefs are different, then they're the one "prioritizing their beliefs above their marriage, friendships, and relationships with their parents", not the other way around.
