From all the articles I've read, the PS3 was not the major factor in Blu-Ray winning. I don't care how many times some of you may deny that. You have to prove those articles wrong (and they are everywhere, from engadget, to kotaku, to Associated Press).
Sony made the right deals to secure studio and retail support. Toshiba didn't. HD-DVD lost shelf space and new releases. That is what lost the format. The PS3 didn't make those happen. The right people in Sony and the BDA did.
And since I'm crediting people at both Sony and the BDA, it should logically be clear I am not bashing Blu-Ray and the PS3.
Sony also turned the PS3 around by making sure games caught up to the system, and by redoing the insides of the PS3 to make it cost less, not only by getting the Bu-Ray diode costs down, but also getting a new motherboard, as the last one was apparently the most expensive part of the system.
Putting the Blu-Ray on the PS3 was not a fatal move (which I wasn't the one claiming, in case anyone thinks I did), but it was not the reason either is doing well. The PS3 lost money for two years. The Xbox lost for more, but this wasn't due to anything magical about the PS3. It was about people getting the system back on course.
In short, this reflects more one Sony as a whole than Blu-Ray and the PS3 individually.