Anyone limiting the power of rulers has the power to become rulers themselves. I'm not really interested in being ruled by corporations, and one of the primary roles of government has always been to ensure that businesses remain fair.
That's just it - most things created in this world do not need copyright protection nor do the creators want copyright protection, but it is the default for everything - like this comment for example. What's more, there's is absolutely no market for most things that are created and therefore no good reason to give most thing copyright protection.
It hard to respect a law that's so at odds with its purpose, which is to provide a market incentive for those few things which might serve a market.
Bartok samples from Shostakovich and it's called "interplay between serious composers" but someone does the same thing on a computer and it's the end of creativity as we know it.
The creativity is in the mashup. Yes, the linked video is made of individual pieces the video maker didn't create, but the final song never existed without the video maker putting it all together. It just reinforces my believe that you have narrow tastes in music and little appreciation for anything that challenges your preconceptions.
Get off your high horse and realize that there's more to creativity in this world than what you happen to like or accept. All you're arguing is that the only way to create music is the way it's always been done (or more specifically the way it's always been done professionally). There's so much more to art than that.
Netflix is based on suggestions. It's always suggesting you watch thing and it's navigation menu is almost all suggestions. It's pretty easy to just click and watch something at random, and if you've rated enough content, it's a fair bet it's something you will enjoy. Works pretty well.