So maybe what's happening is that we're taking information about actual (or imagined) peers and our pre-modern social brains are interpreting it as though our f

So maybe what's happening is that we're taking information about actual (or imagined) peers and our pre-modern social brains are interpreting it as though our family/clan members are excluding and therefore rejecting us. It really seems like we just haven't been mentally prepared yet as a species for the kind of socializing that the internet enables. Maybe new generations will be able to intuit it better.