Assuming that "bigots" is not a synonym for "anyone I disagree with", then fair enough.
Why would it be?
My underlying point is that technology is making it very easy to wall ourselves off into comfortable echo chambers
Your experience is different to mine. I wish I could wall myself off from people who want to remove my rights and target me with hate, but I've yet to find a way of doing that.
White listing encourages centralisation because it makes it really hard for new communities/instances to develop the trust they need to be included in existing white list circles.