That is only true for two player sports and board games. It’s no fun to lose by sixty points, but such a situation occurs because the skill diference makes it easier to score 60 points. Contrast that with golf. The only theoretical limitation to contest entry is a minimum skill level. Another golfer’s score does not change your own. I can think of a few titles of TV shows involving geeky contests with contestants age 10 to 80. They welcome anyone because the niche community is so small that they can’t turn people away based on experience and they can’t differentiate between ages because a 15 year old may just as likely have as much experience in medieval weaponry as a 40 year old.
“Large Dangerous Rockets” Exactly what it sounds like. (Separated by rocket fuel grade.)
“Chunkin Pumpkins” Launching pumpkins from trebuchets and cannons. (Separate by launching mechanism.)
“Kill Robots” Remote control robot contest involving flame throws, spikes, and saws. (Only one class; multiple contests. Many other robot related contests involve people of all ages.)
“Anvil Launching” People pack enough gun powder between two anvils to launch one of them a mile into the air and compete to see who can get the highest launch. (Separated into anvil weight classes.)