The default for single devices is to have DUP metadata, and for raid1 devices the default is raid1 metadata. These are the defaults, somehow they got bypassed.

The default for single devices is to have DUP metadata, and for raid1 devices the default is raid1 metadata. These are the defaults, somehow they got bypassed. I think you're right that you need to think a little more and know a little more about btrfs to use it properly, but I hope that will change in the future.