Why would informing people about the importance of testing make you look like an asshole? You could do it in a polite and helpful way, instead of being an asshole about it.
>Publicly calling out and blaming others
> the article in question called it an asshole thing to do [publicly calling out and blaming others]
On the other hand, someone could very well have the exact same situation and make it into a-hole incident by shaming the interns and making them reconsider even being there.