Comment by procaryote

I gave up on timecapsule because performance has gotten worse and worse year over year. I replaced it with a periodic rsync backup to a NAS that is in turn backed up in other ways

The upside is that it's dead simple when it comes to how the backup is stored. In 10 years time, having files in a filesystem will still work, but I imagine restoring an old time machine backup will require quite a bit of work

If you wanted to you could probably figure out how to do apfs snapshots before rsyncing

If you exclude pointless stuff like browser caches it's also pretty performant compared to timecapsule, and the transfer is properly encrypted