Weather feats get AP values all the time, and this is shown blatantly to apply in many series. Not only that, but it's blatantly shown that Ghidorah's AP would scale vastly above the storm since it's torn though by every other kaiju in the film, including Rodan and Mothra. The former of which he held back against and was toying with, the latter he vaporized. Both of them did mountain level things by basically existing.
Where does this stupid argument even come from? If someone's existence generates enough energy that a massive storm forms around them, the attacks using the same energy that made the storm would scale if not far surpass what created the storm. That's why this argument is stupid, it's pretending that a very casual feat is somehow beyond the capabilities of the characters that did it without even trying. It makes absolutely no sense.
They can, but this one didn't. Also that blatantly confirms that Ghidorah's storm DOES do damage, and its passive output should scale FAR below his actual attacks.
And that meteor feat consistently gets teratons of output, how the Hell is that mountain level? Especially when it basically hit him point blank?
Mothra's mountain level calc is from her FLAPPING HER WINGS, which would be if anything worse than Ghidorah who is far more powerful doing the same.
Methuselah destroyed a mountain simply by standing. A mountain that crushed a whole city. What city is so small a 90 meter kaiju would fit over it?
Do you see how stupid the mountain level argument is?