For me, it's moved or dead infrequently enough that it's not a problem. And given how dynamic and interconnected content on websites can be, I don't see a lot

For me, it's moved or dead infrequently enough that it's not a problem. And given how dynamic and interconnected content on websites can be, I don't see a lot of use for snapshots - too much would be missing from a snapshot. Could be nice for an in-case-of-emergencies though, at least you've got something.