Good lessons here.
“Without understanding the context, the advice is meaningless, or even worse, harmful. If those folks had followed their own advice early on, they themselves would likely have suffered from it. It is hard to escape this trap. We may be the culmination of our experiences, but we view them through the lens of the present.”
https://www.simplethread.com/20-things-ive-learned-in-my-20-years-as-a-software-engineer/