[Kuruharan]

I would consider that more like taunting him into performing a foolish action. He never truly tricked him. Earnur was stupid enough to think he might actually get a fair fight.

The principle I was articulating is the same.

“Insult the enemy with subtlety where and when you can insult him; degrade him where you can degrade. Offer fool’s bait and entice him to display his stupidity.”
The Art of War, Chapter I

And I do not see you requiring the same of your own side of the argument.

Specify on what is unclear and I will expound at length, believe me.

And if Mordor is so "desolate", there are not many bandits to worry about in that last leg of the journey.

I agree with you there. I don’t think bandits would have been a big problem in Mordor.

The only part that must be secured is the Rhun area, and by simply sending shipments with reinforcement contingents or using outposts as waypoints they could easily transport the needed supplies to the Ithil besiegers.

Again, this is a loooong supply line compared to the one the Gondorians had to use.

Exactly my point. Which is why I think guerilla warfare is not a viable option. That type of warfare has many different factors that extend beyond simply 'scaring' and 'killing'. Orcs are best suited for the traditional army type, which more than allows for the raiding that they would enjoy.

I believe you are attempting to create a straw man here.

We have seen that orcs go after one another when from different 'tribes', and even amongst singular tribes they in-fight. And that comes during times of war, as well. Thus it is entirely plausible that they would attack Easterlings, and vice versa, if tempers boil over. And they certainly would in such a situation of duress.

You do realize that by saying this you are making an even stronger case for the side of the argument that says that the Gondorians could have overrun the pass in a straight military encounter (particularly that bit about “under duress.”)