I always figured if'n I was rich, I would have identical smaller, capable boats in a couple of dozen places around the world, and travel to 'em in a HondaJet... instead, they all get huge vessels that can only enter a couple of dozen harbors in the world, and cost hundreds of thousands to travel between 'em in a large Gulfstream!
Some activists at COP26 will be urging others to cut down on air travel, but apparently it is fine for billionaires to fly in on their own planes on routes already served by commercial airlines.