Eng manager Arno Gourdol nails it:
We are in a unique position: we have deep expertise in relevant areas (typography, animation, layout, digital imaging, video and so on) and we have a deep understanding of the needs of creative customers who want to use the web to express themselves. We can represent their point of view and advocate on their behalf. The better the web, the better tools we can build, and the happier our customers.
Check out the rest of his interview with Molly Holzschlag for details (Adobe’s priorities on CSS; Regions & Exclusions; Shaders; and more).