Someone needs to product the content it doesn’t materializes out of the ether.
The distribution itself is not a problem the blockchain can solve or should solve it just adds an unnecessary cost on top of other method of distribution.
You're right. It would probably make more sense to just have a peer to peer storage and computation network with a bidder/buyer market (which could accept everything from USD to any random crypto-currency). There's no good reason to have the system built on a blockchain.