Exactly this. I can discover and contribute to many projects (creating issues, submitting pull requests, with discussion) without having to learn 100s of subtly

Exactly this. I can discover and contribute to many projects (creating issues, submitting pull requests, with discussion) without having to learn 100s of subtly different UX each “distributed” system chooses to implement it. And I know most other developers can also contribute to my projects in a familiar way.