I felt like he was doing that on purpose, trying to win support for a generalization without giving the tools to judge whether his generalization was an accurate summary of what was going on or not. (Maybe it is right-wing political organizing.)

Also, who can genuinely only think of one hobby that they have any interest in? If his evil wife won't let him raise sharks in the tub, he'll just have to sit in the recliner and stare at the wall?