Times change, people move on
All that innovation and research yet they somehow managed to miss being Netflix due to clinging to an outdated model based around set top boxes.
Instead it took somebody else without all that emotional baggage to work out how to do "broadcasting" [*] in a way that people wanted to use.
* - if that word even has relevance to a service that lets one stream what they want as and when, it's less "broadcasting" and more "youcasting".