I don't care what Windows uses
and your point is? never said anything about what windows uses. doesn't matter either.
but you think windows would actually support another format?
I do not think, I know.
https://github.com/openzfsonwindows/openzfs
https://github.com/maharmstone/btrfs
https://github.com/RaldS7/btrfs-windows
https://github.com/Mateuscruz19/Ext4Windows
but this point also does not matter whatsoever at all, because in my original comment I said nothing about using ZFS on windows.
points that actually matter were not addressed by you, so whatever. good for you that you could pick on points that don't matter.