How many people out there care enough to run a daemon on their home computers to participate in a decentralized file replication system? That's a nice theoreti

How many people out there care enough to run a daemon on their home computers to participate in a decentralized file replication system? That's a nice theoretical thing for nerds, but nobody will ever do it, right? P2P exploded once people realized that they could participate in it to get content that they want. What makes you think this would be any different?