That is primarily a git thing. And the reason is that your main assertion was not true for the primary developer of git. "The project is what we are intereste

That is primarily a git thing. And the reason is that your main assertion was not true for the primary developer of git. "The project is what we are interested in: the Python or C++ or LaTeX or whatever" was not the case for Linus, messing with VCS and patchsets is precisely what he was interested in, that's basically all he does.