What this whole episode should do is make it more common place to use tools like git-bug and mirror repos. Maybe someone will even write a tool to do so easily. But what I see happening is people just wanting the status quo to stay.
Until we learn to decentralize our code and write the tools to do so, this will keep happening. Maybe in 10 years we'll have learned our lesson, but it seems we're just doomed to repeat our mistakes.