How relevant is executive management?

How relevant is execMBA for people like us? Who are "us" by the way? 6-8 years experience? 9-12 years at middle level? or 13 years plus guys at senior level? Who is the beneficiary? How can industry gain from it? How should institutes take it up? Whats the role of administration? Of alumni? What should be the expectations from institute? from students? How to derive maximum benefit out of executive management courses? Lots of questions. To be answered soon!