What’s a high-level language? Is it Java, Go, and C#? Or is it Ruby, JavaScript, or Python? Where does Swift go?
It’s all a matter of perspective. To a kernel developer who thinks about bytes on a wire or spinning a disk to read a file, git is incredibly high-level. 🙃 To a Smalltalk developer, files on disk are low-level (I assume).
Anyone telling you otherwise, including past or future Adams, is making a no true Scotsman argument.