A key difference:
If you rely too much on PornHub, you’re never going to get fucked.
If you rely too much on GitHub, you’re eventually going to get fucked.
It’s not, though. Git is a means of distributing content, not the content itself. The thing analogous to PornHub’s porn on GitHub is the source code in the repos hosted there, not Git itself.
Git is a DVCS. GitHub is a place where DVCS repositories are hosted. There are many other places where DVCS repositories can be hosted, but GitHub is the most famous one… Porn is a type of content. PornHub is a place where porn is hosted. There are many other places where porn can be hosted, but PornHub is the most famous one. It’s a pretty good analogy.
There are many other places where DVCS repositories can be hosted
I mean… Everyone that’s cloned the repo has a full copy of it. You could clone it directly off someone else if you wanted to.
Sure… and you could pass around porn on thumb drives. But, having a central website where you can browse public repos and clone the interesting ones is a pretty key part of Open Source / Free Software development.
Git = bittorrent
GitHub = the pirate bay
Code = content
Even that’s not the perfect analogy but it’s better than the OP.
Though OPs example is easier for the general population to understand.
In Lemmy people are not aware that GitHub is not just git server with lots of code. :)