You defined a plan as a theory that a certain course of action will lead to a good outcome. Picking “X,Y,Z” does not mean you don’t think “X,Y” will also lead to a good outcome. Therefore, they aren’t really competitors.
You defined a plan as a theory that a certain course of action will lead to a good outcome. Picking “X,Y,Z” does not mean you don’t think “X,Y” will also lead to a good outcome. Therefore, they aren’t really competitors.