500 Channels But Nothing To Watch

Could it be because they’re mostly owned by five companies, with the remains spread out between three more?  Here is a simple chart that shows who owns what.

And here is a graph that shows how the number of companies owning 90% of the media dropped from 50 to 6 between 1982 and 2000.  The webpage also has links to lots of other background information — even too much for me.