With a proper NAS and RAID10 for double parity, it's a bit like Theseus ship. Just keep swapping out drives when they become unhealthy and you never have to rebuild or migrate
Paper lasts for centuries without any attention beyond keeping it moderately dry and away from things that eat it.
why still back up floppies if you could just move the data to a single dvd, or throw is on the SAN?
RAID is just algorithms, the actual transport doesn't matter (i.e. spinning platter and solid state both use SATA connectors).