There are lots of smart people doing important work that are also on the W3C, but that doesn't make them truly influential in de facto web standards.
From what I've read (which is not that much), the relationship between accessibility advocates and web standards has been particularly fraught, with advocates pushing for standards features that are received poorly in the marketplace. The argument here being: not every good idea about HTML is best expressed as a fundamental part of the HTML standard.
From what I've read (which is not that much), the relationship between accessibility advocates and web standards has been particularly fraught, with advocates pushing for standards features that are received poorly in the marketplace. The argument here being: not every good idea about HTML is best expressed as a fundamental part of the HTML standard.