Yep. and worse, it's like designing a car without knowing the car's economics. Like building a product for the product's sake. In SW/HW, a PM that doesn't also

Yep. and worse, it's like designing a car without knowing the car's economics. Like building a product for the product's sake. In SW/HW, a PM that doesn't also build the unit economics is a wrong management choice and a waste of resources.