Those are chump #,s. Let's talk about Zetabytes of stored commit hashes for a single private repo.
Wouldn't know if it's private.
I bet there's plenty of people out there that are reinventing the wheel for 8+ years and haven't publicly revealed it.
Other random examples include journals and repos for porn..... Yes, the latter is a thing. Just like unpopular vulgarity-themed scripting languages.