The mental illness hypothesis seems disturbingly close to home here. Nothing justifies egregious behavior but we could be more compassionate for the people involved.

I read it as, commenters should not resort to gleeful uproars following said comment.

As in, let's not turn this:

I've temporarily banned Michael's account

Into a plethora of snarky/glee comments like "yay, finally" (contributing nothing but a lynch mob)

I could be wrong though, but that's how I understood it.

Ah, okay. So, there are possible scenarios that are going on in his life that we should be considering before laying certain gleefully harsh judgments on him. Gotcha.