Luna Templates review for Rewind Backups

We got this to feel a sense of security in case anything ever happened to our store. However, the one time we need to actually use a backup, we find out that they don't actually backup metafields, despite it being listed on the pricing cards above. Metafields are crucial to our store. After talking with support, I understand that they've said that the Shopify API doesn't allow them to back this up. But then don't list it and have me feeling surprised when the backup isn't there.