What do you think a modern "Programmers Guild" could be practical if it is essentially a semi-gated meta-community that spans, integrates, and documents stack o

What do you think a modern "Programmers Guild" could be practical if it is essentially a semi-gated meta-community that spans, integrates, and documents stack overflow, HN (and similar forums), FOSS projects, and publicly available higher education CS courses? Similar to the Wikimedia Foundation but specifically focused on programming history, theory, and practice.