That's the point, though: One doesn't see the impact directly. But after 15 years you just do it the python way by default, not considering other ways that stuf

That's the point, though: One doesn't see the impact directly. But after 15 years you just do it the python way by default, not considering other ways that stuff could be solved if it weren't for the limitations imposed by the platform. The python ways work fine, so it's OK even with GIL, but there are other ways as well.