The article completely misses the point. No amount of reasoning will change a manager's mind. They do not push people because they actually think it can be done

The article completely misses the point. No amount of reasoning will change a manager's mind. They do not push people because they actually think it can be done faster, they push people because software developers are very weak and because they want THEIR project to be delivered as soon as possible so they can boast in front of the other managers.