Certainly the Army and Marines along with the SAS and SBS and the RAF with its one Chinook and other helicopters played a small role in all of it one would suppose.
Yomping many miles at a time then mounting attacks on fortified positions under artillery fire did seem to have some effect on the outcome.
Very much a joint effort by all who were involved right down to the Matelots in the engine rooms of the ships and crews of the Victors and Vulcans.
A lot of good Men from all the Services were killed, maimed, and wounded in the effort.
War is a terrible and messy thing that never goes according to plan as the enemy has a way of ruining the very best plan crafted.
As to the fellow making the noise....analyze what he has to say and see if there is some merit to any of it and use that part of his utterances.
The rest can be overlooked or ignored.
Certainly there were Lessons Learned out of that conflict that should be considered even yet today.