[vec]

"Face consequences" doesn't necessarily mean "get fired". In this case it may be as simple as his boss pulling him aside to explain exactly how stupid what he did was. It may mean being pulled off the interview team and replaced with someone who's better at that task.

It's worth noting that neither we nor the original interviewee know whether this is repeated bad behavior or not. It might've been a one-time slip-up, or he might be serially abusing his position. We can't know, but his boss can and probably does. Go ahead and report to the folks who are in a position to make an intelligent decision.