I understand the audience of the ars article is people running larger setups with redundant disk arrays, managing lots of data reliably. But when it comes to w

I understand the audience of the ars article is people running larger setups with redundant disk arrays, managing lots of data reliably. But when it comes to what you use in a laptop or desktop, with maybe one more slot for a ssd/nvme or an external disk, btrfs snapshots with incremental send+receive to the second disk or over the network is a good argument in favor of giving it a try.