It makes more sense after you have deliberately weakened the typing of an API because you felt that you were overstretching your co-developers (and/or your own)

It makes more sense after you have deliberately weakened the typing of an API because you felt that you were overstretching your co-developers (and/or your own) patience for nested angle brackets. The basic idea is that type inference would shift the sweet spot for the right amount of typing upwards.