Agreed -- definitely possible. The issue is more than in organizations I've seen, the group of data scientists does not agree on using type hints, because a lot

Agreed -- definitely possible. The issue is more than in organizations I've seen, the group of data scientists does not agree on using type hints, because a lot of them want to "move fast," and not be bothered with what they consider irrelevant, low-level details. This, sadly, brings us back to the problem. I'm of the opinion nowadays that these rules need to be mandatory at a group level (i.e. either enforced by the compiler or by convention at your workplace) to be useful.