Going back and forth in a lane sounds dull but they've managed to make about forty Olympic events from it.
Fun fact: "Native American swimmers demonstrated the front crawl in London in 1844, but the British dismissed it as ungentlemanly."
The whole concept is trapping wild animals in tiny balls and making them fight, but it's cute so it's fine.
Fun fact: Took six years to develop and nearly bankrupted Game Freak multiple times.