It's hard to define 'justly' though, because that's primarily opinion based. And I guess with the amount of discontent still allowed on MSE, there's a lot of 'bigger person being' still going on. I personally wouldn't have accepted such levels of anger aimed at me!
You can't just tell people they need to be the bigger person, and then just continue to rage at them either. So, if SE were to be the bigger person, what would the next move be?