Condition whereby confused or oblivious (often elderly) people befoul a social media post with inane, irrelevant, offensive or otherwise horrid replies.
/normal human posts cover photo of beautiful sunset
Normal human's commentally retarded parent replies: "WHAT TIME ARE YOU GOING TO UNCLE JOE'S FOR SUPPER NEXT WEEK ? !"
A constant commentary of all things minor, unnecessary and irrelevant, derived from an obsessive need to comment on everything with no particular purpose or outcome.
“That’s a talking point”: said the Commentalist, after no particular topic of conversation.