They had amazing talent
… They had amazing talent. Seriously, some of the most brilliant engineers I've worked with. They had a huge team. Hundreds of people. It was so ambitious. But it seemed like such a terrible idea from the start. Nobody was ever able to articulate who would ever use it. Technically, it was brilliant. But there was no business plan. If they wanted to build a new kernel that could replace Linux on Android and/or Chrome OS, that would have been worth exploring - it would have had at least a chance at success. But no, they wanted to build a new OS from scratch, including not just the kernel but the UI libraries and window manager too, all from scratch. That's why the only platform they were able to target was Google's Home Hub - one of the few Google products that had a UI but wasn't a complete platform (no third-party apps, for example). And even there, I don't think they had a compelling story for why their OS was worth the added complexity. It boggles my mind that Fuchsia is still going on. They should have killed it years ago. …
Original discussionJohn Carmack's arguments against building a custom XR OS at Meta646 source comments · at import