He may grasp it, and he may write better than your typical tech pundit, but he still writes like an 8th grader.
Bitt, I must [not-so] respectfully disagree.
The typical 8th grader, no, the typical
high-school senior, writes like the semi-literate clod that he is, with misspellings, incomprehensible grammar and sentence structure, and not the faintest idea of how to present ideas in a logical sequence.
Why do you think that
82% of college freshman are required to take remedial English courses?
I think your expectations are too high, possibly being biased by exposure to the extraordinary competence of most of the people on this bbs.
"Wen I started Colege I cudnt evin spel jurnalist, and now I are one!" 
tanstaafl.