No one will benefit from your failure.
NOT true!!! My parents failure as parents helped me to see what changes need to be a better person,better parent... I no longer speak to my mother and her toxicity, my daughter and i on the other hand have a great open relationship built on trust,something my mother has no clue about except lies and more of them,and stealing from her own child,something i would never do...so,yes, you can learn from others failures as well as your own!