"In a mass-media world, there's less of everything except the top ten books, records, movies, ideas"... but aren't those brought about by evolution as well? And as far as I can see the top ten keeps changing, evolving.
My argument is that the internet has enabled hyper-evolution. You get access to the best possible information, you have through torrents and libgen access to all the media and books ever produced at your fingertips, free of charge. What you might've figured out in 30 years of your own trials and tribulations can now be learned in a couple of years reading books. Of course pride and arrogance keeps us from learning but that's a different story and will probably be weeded out by evolution much faster now than ever before thanks to free access to information.