Most Upsetting Comment Ever, And How You Can Help Redeem It

I’ve been blogging for three years now, or is it four?
I’ve moderated and responded to hundreds of comments — maybe even a thousand. The vast majority of them have been delightful to read, and the conversation here energizing and interesting.
I’ve gotten into squabbles, been frustrated or irritated, and had my share of good rows, certainly.
But no comment has yet sickened, upset and depressed me as this one has. It appeared the other day in response to my suggestion that Ashley Todd be locked in a cell with a group of “tall, black men” (the bogeyman she invoked as her attacker when she had inflicted the wounds herself). I said, very clearly, that I respected Todd’s inherent worth and dignity enough to assume that she would learn something from the ensuing conversation.
The commenter wrote,
I suppose your idea of a fitting punishment is that those […]