alt Hacker NewsWell, the currently best OS widely deployed is Chinese only. HarmonyOS, a microkernel OS replacing Android on Chinese phones. About 10x faster development than in the US. And secure, unlike Linux.
Fuchsia never made it widescale. They started a couple of years before the Chinese and then got stuck
"Best OS" as determined by who? Even just checking the Wikipedia page for HarmonyOS is sure to give a chuckle:
> supporting both tablet mode and full desktop counterpart in line with Huawei MateBook
I'm sorry, "MateBook"? Lol, I wonder where they possibly got the idea for that name from.