[goatlover]

But that would be on your for misusing the length method. All the built-in and popular libraries would still define length properly.

[xapata]

Perhaps, but "your" mistake might impede the popularity of the language. A wide range of well-designed community libraries are a major reason to choose Python.

Take a look at the design rationale for the new __matmul__ magic method. It's not for the standard library, it's for the community.