That doesn't mean it isn't flaky
For example, I was playing SSDHD and then decided to jump into the MGS Database app.
Black screen, completely dead controls (including front power button). Had to do a hard reset from the back of the console. What scared the crap out of me was that when I tried to start the console (using the controller's home button), the system didn't start up and all of the controller LED's just stayed flashing 0_0.
I went over and started the PS3 with the front button, and everything was fine then