What if in game ranks we're used as power gauges?

One thing I’m sure we’re all a bit confused about is how powerful X person/enemy type is.

You’d think forerunner grade death bots would prove to be the ultimate warrior but they’ve been stomped by Spartans and Elites on multiple occasions. Hell Thel, took a knight’s hardlight blade to the face and then proceeded to kill the knight.

So let me give an example

Champion-All playable protagonists and insurmountable villains-Thel, MC, Locke, Noble 6, Didact and Gravemind
Oynx-All support role heros and villains that are combat specific-Tarturus, Rtas, Johnson, Sesa,S-IV Buck, N’tho, Warden Eternal, Uzse Taham and Jun
Diamond-Average Spartan IV, Sangheili Spec Ops, Promethean Knight and Flood pure form lethally rating.

And so fourth as we go down.

I’m not saying give everybody a scouter that counts from Bronze to Diamond like some sort of Elo boosting bounty hunter but it’d be a nice gauge of power in a universe filled with inconsistencies.

Edit: I’ve just realized that these are kind of ego boosters/crushers depending on your rank so I guess that’s a legitimate defense against this. They’re more riches raining on the good and my feces thrown at the bad. Promoting that kind of thinking would obviously not roll well with the majority of people.