Scrum Teams are often Coached to Death, while the Problems are With Management

Maybe the answer is... don't do Agile. The point of Agile is to deliver a product iteratively to stakeholders. If the stakeholders can't or won't accept iterative progress and instead want a date on the calendar when they know it'll be completed, all the Agile practices become pointless. Just do Waterfall, it's the round peg for this round hole.

Scrum Teams are often Coached to Death, while the Problems are With Management