The bandwidth to upload to people can get expensive depending on where you live. Most home connections don't have bi-directional fiber so you are stuck with crippling amounts of upload bandwidth.
I feel like this is the crux of the matter. You could easily get 32 people on this site to volunteer 1 TB each, if it were just cold storage. However, making those resources accessible and searchable (with all the pitfalls of compliance, uptime, legality, etc) is a totally different ballgame.
Encrypted shards partially solves this, but then you hit the quandry of "But what if I have a shard of something illegal or undesired enough to upset the wrong people?" which has not been thoroughly tested in our legal system.
Encrypted shards partially solves this, but then you hit the quandry of "But what if I have a shard of something illegal or undesired enough to upset the wrong people?" which has not been thoroughly tested in our legal system.