implicit_reexport default seems to be wrong

[Akuli]

Documentation

https://mypy.readthedocs.io/en/stable/config_file.html#using-a-pyproject-toml says:

But implicit_reexport seems to be false by default. If I set implicit_reexport = true in the [mypy] section of pyproject.toml, it really changes the behavior of mypy (I get less errors).