Quote Originally Posted by neflight86 View Post
They are different, but they serve as forms of measurement. Arbitrary or not, they can be compared to provide a frame of reference in a given matchup. Who had more 'Nen' capacity in Netero Vs. King Ant in the Chimera arc? We knew going in which side could brute force and which had to be more tactical about it because it was clearly communicated to us beforehand, and I would argue made the fight richer. You could do lots of weird things with nen, but there being a quantity of it is such a handy tool for the audience's benefit.
*shrug* I guess. But it's hardly necessary.

Quirks are basically like Stands. You can't measure them, and it's all in how you use them.