Tens of thousands of developers pushing changes is not the same as the Linux development process, at all. The key is in the word “actively.” Even Perforce could

Tens of thousands of developers pushing changes is not the same as the Linux development process, at all. The key is in the word “actively.” Even Perforce couldn’t keep up with that type of load in a similar situation with Google’s monorepo, forcing them to develop a Perforce-compatible alternative. It’s tough to scale VCS to very large teams, regardless of the software. No need to stand up for git.