No lie, this was me back when I was playing Mario Kart DS, it was all fun and games till the guys who started glitching through the map and snaking (a technique that let's you infinitely boost) started showing up, they were the reason why I never played online Mario Kart DS again lol
Your only hope is getting his money that he would spend play time like a week, then declare it dead. Another alternatives is sticking with their niche that will spend more time than this whiner from Tik Tok, and make Season Passes or Microtransaction last years.