The Xbox One may have limitations, but the TV, Movies, and other features like the Dual HDMI pass through can convince TV and movie viewers to get the Xbox One.
There are still many people who still watch TV, so the Xbox One can be popular with Cable TV, and movie viewers which have a far bigger audience than Gaming because almost everyone watches TV, Movies, or video online via Netflix, Hulu or YouTube.
The Xbox One could get a lot of viewers on video subscriptions for streaming and downloading movies, sports, and TV since a lot of people watch sports, movies, News,TV shows, and other programming on TV, but Cable TV is very expensive when people order HBO, ESPN, Disney, Cartoon Network, Comedy Central, and all the other big TV networks. The Xbox One also has a DVR feature, so you can probably record shows to watch offline, or copy to your smartphone, laptop, and tablet to watch on the go.
The Xbox One also has a HDMI input feature for searching for shows to watch, and information on shows on Cable TV via the overlay skin on the One.
Future Cable subscriptions from Cable TV providers like Comcast may come with an Xbox One since the Xbox One enhances the TV watching experience, and to help viewers find, learn more about shows, and record shows easier than before.
$500 is an expensive price, but the Tivo Premiere XL4 DVR cost $399.99
https://www3.tivo.com/store/premiere-xl4.do
, so if you are very into TV and movies, and looking for a High End DVR but also want to play a few games the Xbox One could be a better deal for $100 more. The Xbox One also can play Blu-Ray movies as well.
If the Xbox One software, user interface, features, and ease of use is better than a Tivo, and similar DVR, the Xbox One Could be popular with many TV watchers who also play games, or have kids who play games.
A lot of people don't mind spending an extra $100 on something more restrictive that is easier to use, and fit their needs better.
There are many people who buy more restrictive Apple Products like the iPhone 5, iPad, and iMac which are locked into the Walled-Garden Apple App store, and hardware with a proprietary Charging cable, but the iPhone 5 sells more than Google Android phones made by LG, HTC, Motorolla, etc which are less restrictive, and let you install apps from Amazon, Getjar, 1Mobile, and not just Google Play.