Is Mozilla right or wrong in their callout? Where did this idea come from that unless you are saint-like you have no business in calling out bad behavior? Newsf

Is Mozilla right or wrong in their callout? Where did this idea come from that unless you are saint-like you have no business in calling out bad behavior? Newsflash everybody has their sins and everybody needs to be called out on their shit. And behavior needs to change. Why should Facebooks bad behavior be shielded by Mozillas infractions?