Before you reach the point of return on that investment you have to plow through the period of limbo where the cost of annotations is greater than the rewards.

I'm a staunch supporter of static typing. But man, the amount of energy people put into getting things like mypy to go green in strict mode just doesn't make sense to me. There are going to be situations where the cost to avoid the mypy ignore on a line will *never* be worth the long term benefit. But nevertheless they persist