"Lets remember that a PlayBook native player would require dedicated development time since the whole Android apps on PlayBook thing never really panned out. Coupled with the out of date flash player, there's not a lot Amazon can do."
People really should do some basic research before posting. The next major version of the PlayBook OS, 2.0, comes out next week. It includes the Android VM & the response from Android developers has reportedly been positive. The author also made it clear that he was able to stream video using older flash players on other tablets, so that excuse doesn't cut it either.