BB folder and file type structure makes it relatively hard to back up just some files of given type. And some stuff like tars and zips could be arbitrary in size and importance.
Having said that, we offer the ability to exclude folders and filetypes if you have certain things you want to backup later.
(Not disagreeing with anything you're saying...just fyi.)
Gleb from Backblaze
Backups transfers are also a minor pain point - the error horse (on freshly installed BB on windows) and when, how and why it disappears and allows you to do the backup is still a mystery.
I guess that the BB cloud storage will solve some of the customization problems though - if you are power enough user you could write a custom strategy on top of the API.
What's the point of backing up anything?
> Either you have the source material, in which case its almost always going to be faster to rerip than restore from backup
Sure, it will be faster, because it will be a local operation, because you probably keep the original near the same place you keep the main rip. That also means that the original source and the in-use rip are vulnerable to being destroyed together in a site-affecting event (fire, flood, robbery, etc.), which makes having a remote backup valuable.
Also, I would hope no one doing mastering is uploading their raws, in real time, to a service like backblaze. On-site thunderbolt / NAS solutions are almost exclusively used in RAW backups in studios. With offsite copies stored at regular intervals via good old sneaker-net.