This is interesting and true.
'Mr. Sasse’s assertion that loneliness is killing us takes on even darker significance in the wake of the mail-bomb campaign against critics of President Trump and the massacre at the Tree of Life synagogue in Pittsburgh, both of which were perpetrated by isolated — and apparently very lonely — men. Mr. Sasse’s book was published before these events, but he presciently described what he believes lonely people increasingly do to fill the hole of belonging in their lives: They turn to angry politics.