I'm guessing one other reason he's staying is that he's probably still on Automattic's advisory board [1], and has significantly more influence on the company's

I'm guessing one other reason he's staying is that he's probably still on Automattic's advisory board [1], and has significantly more influence on the company's direction than most other people who have taken the offer. [1] https://twitter.com/zeldman/status/403874979512877056 https://twitter.com/zeldman/status/403874979512877056