I mean, the classic "let's assign numbers to it!" is from Dragon Ball, where they went from "hahah goku has 416 after beating Piccolo, without weights but not while charging a kamehameha" to "FRIEZA HAS A POWER LEVEL OF OVER ONE MILLION IN ONLY HIS SECOND FORM OUT OF 4" to "these androids don't have power levels because they're machines, now let's never speak of this again".