[nightfader]

Because git excels in relatively small size text files and patching and difficult. You can't binary blobs like jpegs, audio, video easily.

[sausagefeet]

But that's my point: why can't a version control system be good for this as well? It's the same thing underneath. Why do we have to split these different use cases across different tools and hope a foreign key constraint holds?

[Groxx]

We've got lots of disk-backup tools that handle this just fine, deduplicating blocks and compressing where they're able.