You can load packages into an 18 wheeler for 20 years and you wont really learn much. A new person can come in tomorrow and do the same job pretty much without

You can load packages into an 18 wheeler for 20 years and you wont really learn much. A new person can come in tomorrow and do the same job pretty much without any learning. When you work as an engineer you constantly have to learn and keep your knowledge up to date on top of that.