The social aspect of GitHub is centralized but it doesn't means the data in itself can't be decentralized. Do you believe internally Github is a single big ser

The social aspect of GitHub is centralized but it doesn't means the data in itself can't be decentralized. Do you believe internally Github is a single big server? And that big server only have a single HDD, a single chip of ram and a single core? Even then I'm pretty sure we could argue there's some separation there. It doesn't means the interface isn't centralized. Same goes for Bitcoin. We can all access the same data, yet it's decentralized.