From the Playfuls.com article:
"Those guys at the PR department are not guilty for others' blunders, on the contrary, they are the ones that try to cover the mess as deftly as they can. The real problem is Sony's top management, who seems to consider that the company's resources are limitless and that they are the smartest people on Earth.
A short history of Sony's failures with the PS3 shows that the PR did the best, while the ones in charge with the production and design did the worst possible. I will not go over them again in this article, but if you are interested in the subject try this..."