A single DMCA anti-circumvention notice, sent by Nintendo on the one-year anniversary of its 2024 lawsuit against Yuzu, showed just how much things can change in a year. Targeting nine repos linked to Switch emulator Ryujinx, the domino effect led to the removal of 4,238 repos. Elsewhere, the distilled components of Yuzu’s demise can be found in recent takedown notices
Yes, this maximal decentralized usage where everybody has their own copy but can collaborate and pick and choose from other copies was a central idea in the creation of git. Ultimately it was made for Linux Kernel development and that is how that works over there.
You do not even need to use git specific protocols. One can simply import patch sets and mail them to each other.