[pmontra]

They could sell a separate service for Time Machine backups. I'm not an Apple customers so I don't know if it makes sense, but they could make customers pay X times the last N days in the backup plus Y times a number M of snapshots in the past.

[post-it]

I wouldn't pay for it, so that's one data point.

[fragmede]

I would, so that's a second data point.