The most recent issue of the Japanese magazine Eureka is a special on Otomo, with various critics and musicians contributing. I have yet to lay my hands on a copy, but judging from a recently lengthy posting on Otomo's blog, he seems to have taken issue with what Mitsuhiro Yoshimura had to say about him. It looks to be a fascinating discussion, particularly since considered criticism is most often notable by its absence in the Japanese media...
For those of you that read Japanese, here are the links:
Otomo's blog post:
http://d.hatena.ne.jp/otomojamjam/20070730Yoshimura's blog:
http://d.hatena.ne.jp/andsoon/Eureka:
http://www.seidosha.co.jp/index.php?%C2%E7%CD%A7%CE%C9%B1%D1