User blog comment:Sannse/The Zen Admin/@comment-25231652-20141002201006/@comment-1038387-20141008085822

"The stupider ones would insult the user back, the clever ones would respond with a message informing the user of their block."

Nope. As said, that's feeding the trolls. Nothing good will come out of it. Block and ignore, as if nothing ever happened.