Tactical discussion: Countering Mumakil

[Lindolirian]

As lord of the elven realm of Harlindon, I pledge the aid of the smiths and weapon-wrights of my folk in this worthy endeavour.

Very diplomatic of you, to be sure, but why do you need to be concerned with the defense of Gondor? The last time Sauron worsted the "last bastion of defense" he never reached your land. Not to mention as Elves, you can always hop on your ships and run off to Valinor. Of course, I'm being facetious, but still just pointing out the impracticalty.