You can tell inside two minutes whether a workshop will produce a decision or a document. The tell isn't in the agenda. It's in who is talking and who is waiting for permission.
Three types in every room
The owner has the decision and usually the least airtime. The gatekeeper has the history and will protect it. The builder has the detail and is quietly certain the strategy will never survive contact with reality. Miss any of the three and the output collapses on the way back to the desk.
Change the format, not the volume
If a session stalls, don't push harder on the same format. Break the room. Move people physically. Make them write instead of speak. Give the quiet builder the pen and the loud gatekeeper a listening job. Structure does the work that persuasion can't.
Same content, different altitude
The best test of a strategy is whether it survives being explained twice: once to a board in fifteen minutes and once to a field team in five. If it only works at one altitude, it isn't a strategy — it's a deck.