Hmmmm? I think it does matter. Perhaps he/she has written other articles and pieces worth looking out for. A name on an opinion brings a degree of authenticity, like a signature on a painting. Anyway, MHO. If something's worth saying, you say it out loud. I'd ban nom de plumes and anonymous contributions to everything on the internet, might stop some of the sheer nastiness if it was going to be homed to you.