What does Mark Zuckerberg think ‘open’ means?

Mark Zuckerberg wants to own the future of computing - but not alone. That's the intended takeaway from this year's Meta (formerly Facebook, formerlier Oculus) Connect, where the Meta CEO described his plans for a new computing platform. In each generation of computing that I've seen so far - PCs, mobile - there's basically an open ecosystem and there's a closed ecosystem," Zuckerberg said. I strongly believe that an open, interoperable metaverse built by many different developers and companies is going to be better for everyone."
Openness" is typically considered a good thing in computing. It can promote competition and let people use tech in creative ways the designers didn't expect. But Zuckerberg's definition of an open...