I don’t think you do see my point: my point is that writing clean, testable, maintainable Python is both easier and a more widespread skill than writing equival

I don’t think you do see my point: my point is that writing clean, testable, maintainable Python is both easier and a more widespread skill than writing equivalently clean, testable and maintainable shell. Both of these factors will mean that the Python remains maintainable for longer.