On: Ways people trying to do good accidentally do harm...

[Vinnl]

Luckily, they do state the lessons to be learned up front:

> In brief, it raises the importance of finding good mentors, consistently seeking advice and feedback from experienced colleagues, and ensuring you’re a good fit for a project before you take actions with potentially large or long-term consequences.

[pfortuny → Vinnl]

Well, but that is not what the title presents, just the dual (what to do if you want to help).