Earlier quoted context omitted.
Ah it could be if you learn from it-- which it sounds like they did. They would have learned mire imagine than if they had never had to make those choices and live with the consequences.
Only if what you learned is better than what you would have learned without that advice.
What advice isn't, and can never be, is ironclad rules that you can just accept without consideration and expect to provide value. The real value of almost all advice isn't the part where it's telling you what to do -- it's the part where it's providing you with a new way of thinking about the problem.