It's even worse than that. Knowledge decay let you run into complex tasks earlier. Your acquired experience gets less useful over time or as stated in this arti

It's even worse than that. Knowledge decay let you run into complex tasks earlier. Your acquired experience gets less useful over time or as stated in this article: Half of what a programmer knows will be useless in 10 years. The way to access a Rubik's cube stays the same whereas accomplishing a coding task is enviromental dependend. Software changes over time making your experience how to solve a task redundant at some point.