Just because someone has more experience then you or should be the expert does not mean that you should trust them. Or that you should put the fate of your success in their hands.
No matter if you’re new or tenured you should take part in the process. Ask questions. Learn. And seek to understand. Your input can save time money and headaches. Your instincts matter.
Seniority, expertise, tenure can all be misleading. Never be lazy and let others have control of something tied to your success.
See around corners. Anticipate the unexpected. Use your scrupulous judgement to do better things.
If you’re relying on expertise to be right about something you’re likely to be sorely disappointed.