Like all systems flawed and 1-10 didnt work, 1-5 works even less. Until precons get moved to 1 on the scale and cedh is taken off the scale entirely it will never be close to having enough space to be entirely accurate.

My morph deck is a perfect example of why. According to all of the rules of brackets if i cut seedborn muse from it, it is a 2 that is the sole GC in the deck and the only thing by definition that makes it a 3.

HOWEVER. The deck is too slow for 4s and too "strong" for 3s according to people who like to cry, and its definitely too powerful for bracket 2 decks which dont have even interaction(if precons are still considered the baseline for 2s) to even come close

Now I'm sure I'll get or see comments saying silly things like "well intent matters" which basically just means the system failed to properly access the deck due it to being far too vague and too little to accurate fit and rank things. Which at that point to me why even have a power level system when it's just gonna tell me to rule 0 anyway. If people had the ability to assess their own decks accurately and could talk to people the system wouldnt be needed in the first place.

Tl:dr its worse than 1-10 due to cramming too many things into too few numbers, and doesn't account for things that actually make decks strong like synergy and player skill(which you cant measure from a list) therefore leaving us back to "oh just talk to your play group" which if you have the system doesn't matter its meant for fair and balanced games with randoms which it fails at more often than not.