Call me partisan (like Aokiji's move) but did the admiral fans ever bite the dust throughout the iper large duration of the series? I don't recall that.
They did in many occasions
1. Kaido revealing the people who can fight him 1 vs 1 despite getting captured by Marines.
2. Orochi brazenly telling the CP0 that the entire WG could not defeat Wano.
3. Apoo itching to attack Kizaru while so scared to go against Yonko.
4. Hawkins stats comparison of Kaido and Kizaru
5. A DF less child BM having potential to become Fleet Admiral.
6. Doflamingo ready to face multiple AdmiraLs but pissed his pants at the thought of Kaido anger.
7. Akainu sweating bullets when Shanks stopped him.
8. Aokiji becomes an underling to the weakest Yonko.
9. A deathbed Yonko without able to use Advanced Ryou, CoC can still two shot the Strongest AdmiraL.
10. AdmiraLs lacking CoC while Advanced CoC is the prerequisite for being a Top tier.
11. AdmiraLs lacking Advance Penetrating Ryou needed to damage Kaido.
12. BM easily immobilized Marco and scared him while the same Marco played football with every AdmiraL.
13. when King made Marco bleed in a fair fight which the AdmiraLs failed to do even with Akainu being bloodlusted.
14. Fujitora panting against G3 while G4 gets oneshot by Kaido.
15. Fujitora in bandages while fighting revolutionary commanders, of whom only Sabo is YC level. Especially when he was helped by Ryokugyu.
16. Jack solo sinking half the ships of the fleet which had Fujitora, Sengoku and Tsuru.
17. Benn Beckman stopping Kizaru in his tracks by pointing a gun
18. Old Rayleigh dominated Kizaru and made Kizaru go away without capturing him despite having a bounty, and Kizaru had to vent his frustration on other pirates.
19. 3 AdmiraLs together could not put down a Pre TS Luffy.