What you follow up on is what gets done. The 8 questions will serve as a scaffold to continue to make progress on your work.
Asking why will reinforce your power as a manager. However, it will not make your work any easier. Slowing down to ask a series of ‘where’ questions will enhance the team’s output, and add value to the team’s decision-making and problem-solving. All of which makes you a better leader and the team a learning team.