I think it does more harm than good personally. One of my criticisms of the 23rd arc is that statements generally point in the direction of Majunior being unbeatable even before he reveals his full power against Goku, but he has subpar feats against Kuririn and in the earlier half of his fight against Shen, while Shen himself who's had his powers reduced in a human body still tools Yamcha worse than Piccolo beat Kuririn and even holds his own against Majunior (only to then say there's a massive gap between them). Super too often defies the logic of the original series to the point that Cell Max's wings can be ripped off by much, much weaker fighters. I think character statements being in line with the actual powers of the combatants makes more sense in a series where virtually everyone is a martial arts master and/or has Ki sense.
After all, Tenshinhan said he could tell Roshi was a highly skilled fighter just from watching him tool Man-wolf for a few seconds and it's stressed afterward that people like Goku are highly reliable in judging people's powers (other than when he's outmatched against the main villain of the arc).
