Strategy? Tactics? Logistics? orGǪ Culture?

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I found -¿what ifGǪ? -¿ questions more a rhetorical exercises than military studies (and thereGÇÖs nothing wrong with that! They are amusing ways to use logic in your knowledge). There is no doubt in AlexanderGÇÖs generalship capacity, but, usually, when analyzing hypothetical situations, thereGÇÖs a tendency to focus on armies tactics (usually in ideal situations). Although, conclusions are very lucid (as proved in recent posts); that is only a factor in warfare. After all, the axiom -¿Amateurs talk tactics. Professionals talk logistics-¿ must have a reason.
I am not a military scholar, but I think is fairly clear that warfare needs the consideration of numerous variables; and that without considering imponderables: insurrections, political problems, adverse conditionsGǪ.
There is need for an overall well planned strategy, the good use of logistics, intelligence and so onGǪ all of which Alexander well proved be capable of, but even victory in the battlefield doesnGÇÖt necessarily mean by itself the victory in the whole war. ItGÇÖs not only to consider how big or powerful your army is, you need to consider to some extent the enemyGÇÖs culture and itGÇÖs ideology towards warfare.
For instance, during the Punic Wars, Romans faced a much better general and suffered awful their incompetence; but still did anything to win, they even destroyed their own lands to leave HannibalGÇÖs army with no supplies. Persians werenGÇÖt willing to; their approach to war was fairly different; and as they were ruled by a monarchy it may have not been as difficult to accept a new king as civilizations with other systems.
The thing is, when came up to conclusions like: Cesar? Ha! Only a salad; How Alexander would have kick Genghis Khan in three simple steps or If given the chance Alexander would have Killed a T-Rex with a dagger; in practice, things are more complicated than that. ItGÇÖs not that Alexander wouldnGÇÖt be up to the challenge (except with T-Rex, right?) but consider, quoting Adrian Goldsworthy, that -¿it depends on the circumstances of the battle, but also depends on how your enemy is, its resources, what does it think of war and what takes to its surrender-¿.