Linux uses pull requests, too, it's just that it uses them the way they were meant to be used—among a limited cohort of collaborators frequently pulling from on

Linux uses pull requests, too, it's just that it uses them the way they were meant to be used—among a limited cohort of collaborators frequently pulling from one another—instead of GitHub-style pull requests that have little to do with Git-the-tool and that everyone gets shunted through, even when a patch (or three) would be more appropriate.