I thought the title was going to be a reference to an idea that we no longer need to waste brain cycles "knowing" trivia that were once taken for granted since

I thought the title was going to be a reference to an idea that we no longer need to waste brain cycles "knowing" trivia that were once taken for granted since they can now be easily looked up on your phone. So, I was kinda disappointed by this line: But Sabine Baring-Gould happens to have been the last man who knew everything. One really does mean everything. ...and as it turns out this is just a long for ad for a new biography.