Personal attack? What personal attack? Are you reading the same comment I am? He identified someone. If identification amounts to a personal attack, then that would seem to indicate severe problems with the image of the person being identified!
"The negative-nancy is Timothy Baldridge, an employee of Rich Hickey's company Cognitect. Cognitect is "the" Clojure company and represents the inner-clique."
Apart from the juvenile "negative-nancy", there's also the clear implication of ascribing untoward motives based on the person's identity.
On the other hand, I don't have to be a php'r to know facebook was built in that language or a C++ programmer to know what google has done with it.
The negative-nancy is Timothy Baldridge, an employee of Rich Hickey's company Cognitect.
By personally attacking a critic of your claims, you're only making your case weaker.