At a professional level, people plateau all the time. They're beaten by people who train less hard but have more talent or ability. You can work harder and har

At a professional level, people plateau all the time. They're beaten by people who train less hard but have more talent or ability. You can work harder and harder at a game but not end up better than someone with superhuman reaction times despite a lot of hard work. Also, the game changes due to patches and content updates - all that work you put in for a year understanding a mechanic might be for nothing at the drop of an update.