Indeed, Linus has only one commit in the last 3 years, and is the #28 committer of all time.
https://public-001.gitsense.com/insights/github/repos?p=comm...
The changes were mostly pretty small as well, which would make sense given he has been hands off for quite some time now.
Git was written to meet the version control requirements of the Linux kernel. It works well for that project's needs which are an outlier for most development needs unless you are working at FAANG scale.
In our case, fully distributed development (no developers live or work within 1000 miles of each other), public repository, welcoming 3rd party PRs, strong use of topic branches, fully rebase-not-merge workflow. 600k lines of C++, 21 year history, on the order of 100 contributors, 2-3 core developers at any point in time.
C++ is by no means simple.
(Myself, I've been heard complaining that git is overly complex, but the source code control systems that I used to use before git include Subversion, CVS and various Rational products and I have no desire to go back to any of them.)
I catch up on a forum a few times a year, asking myself if it's ready for me to switch a repo or two over and see how it goes. So far I have to answer no, but I'm hoping it's just a matter of time.
https://pijul.org/posts/2021-06-28-two-changes/
Like a new filesystem, you should have a backup system in place if you use this, but the system is being well tested.