From an interview in Dwell magazine:
Why do you think so few designers take up issues of universal design, or designing for disability? Is it a question of money, knowledge, a failure of the imagination?
As we're coming to money later, let's talk about knowledge and imagination. Many of the designers I spoke with did feel inhibited by not knowing enough about disability. No wonder, considering this is a territory that demands disabled people and other expert co-designers. So I think that it comes down to those already engaged in designing for disability to invite designers in (which will require a deeper understanding of design in return). As for imagination, disability is sometimes seen in terms of accessibility legislation rather than the source of inspiration that it could be...
Hoping to do my own interview with Pullin, and will add more images of his work here soon.