For engineers with enough time (and able to do troubleshooting), no, no advantages. For everyone else, they do have advantage, most thing you wanted is 1 click

For engineers with enough time (and able to do troubleshooting), no, no advantages. For everyone else, they do have advantage, most thing you wanted is 1 click away, including something tedious for average "power users", like "using btrfs safely with RAID-5-like disk array" (so that you can take a snapshot of your drive) mentioned here.