He chose not just to leave, but to pull his entire post history in an effort to ruin this forum before he left. That was a selfish and spiteful thing to do. Though I realize his contributions are significant to the CHDK wiki & forum, I'm certain others will agree with me that the loss of his posts will not have nearly the detrimental impact that Barney himself would like to believe.
After all, he did tend to blather on about himself quite a bit.
Regarding "noobs" as irritating troublesome pests to the forum is flat out wrong. It's the wrong message to send, IMO. Curious camera enthusiasts should not be met with the inhospitable attitude of Barney Fife.
Furthermore, as the forum moderator, he certainly could have done more to reduce the "recent influx of noobs asking inane, redundant questions...", such as create new sub forums, sections for developers where noobs could not be allowed to post, etc.
Instead, Barney Fife chose to be rather obnoxious.