Regarding blaming each other for their misfortune, I have an anecdotal experience I want to share. I don't know if that's just me or this phenomenal happens to everyone else as well: That's the "fuck you/who cares/deal with it" attitude. The "fuck you" attitude can be summarized as people won't go the extra mile to help other people. It is the non-sympathy, non-action I get from everyday people (including the police)…
Well, research is showing a huge decline(40%) in empathy between 2000-2010: https://www.psychologytoday.com/blog/born-love/201005/shocke... The article mentions few of the possible core reasons: a large decline in face to face time which is being replaced by the likes of facebook, a culture that emphasizes individuality far too strongly, brutal competition that's deeply seeping into the culture and strong inequality…
But I'd add decline in church attendance to the list of reasons - churches used to be a natural "third space" for people to meet, socialize and have shared experiences leading to some potential societal bonding.
Nowadays nominees for societal "third space" beyond residence and work office are local sports, shopping malls or Starbucks, which, contrary to television portrayals of them, don't quite provide social experiences.
You actually have to go out of your way to have an offline shared collaborative experience with a group of local people, either by volunteering or joining some one-off clubs like reading groups or moms meetups.