Go is far lower level than Python, which makes the term "low level" fine. Its like calling some color swatch "black" then arguing "that's not black _enough_ to be black". Any definition we give for an absolute term like that will be fundamentally arbitrary, but we know right from wrong when we see it.

A language does not have to replace C to be "low level". You sound like the type of person who, thirty years ago, would argue that C isn't low-level because it isn't assembly.