It sucks because the forums are one of the worst place he could be putting this information–it's a terrible medium, hard to search, and full of information that ought to be elsewhere. I do not appreciate that Apple can rely on this horrible stopgap instead of writing technotes like they're supposed to.
Also he's got to approaching retirement age at this point, and there is no backbench corps of other DTS who do what he does. Maybe another decade we'll have his help, then what?