MS did wrong by releasing a console that was not ready to be released
Sony put technology in PS3 that made it too expensive but really gave them no advantage over 360
Nintendo downprioritized Virtual Console for shovelware on Wiiware. Also 512 MB storage-space. Too many peripherals
3rd parties underestimated the Wii and by the time they realized that was a mistake it was too late because shovelware killed the market for 3rd party games. They were also blinded by High Definition







