So what? Apparently his answers were valuable enough and saved the time (and nerves) of many programmers who faced similar obstacles as original posters...
It seems only right to me that a great answer, a canonical answer, like - say - this one: http://stackoverflow.com/a/101561/168719 - can be fuelling its author's reputation long after it was written. Because it holds some universal value, unlike (say) a solution to a short-lived problem with NetBeans 6.1.
"Indeed I went from the top 4% of contributors at my time of departure to the top 3%"
OMG, I didn't realize this issue was so serious.
Now that's just horrible, somebody better stop this madness quick!
(I can't help but read his rant in Sheldon Cooper's voice ;) )