Sounds a bit like what synology is offering. The only problem is maintenance of that. You now have millions of boxes that will fail randomly for various reasons

Sounds a bit like what synology is offering. The only problem is maintenance of that. You now have millions of boxes that will fail randomly for various reasons (bug, bit flipping, hardware error). And now you have a furious user that can't restore from a broken backup and doesnt know how to repair (if even possible)...