So 26 pages and over 500 posts for a fraudulent narrative? Oda hasn't said Akainu is the strongest marine in history, it was simply concluded from the interview about the "PK in one year" if he was the main character (what stops Akainu from ending piracy having the massive military power of the Marines behind his back and being part of the WG. Is it, that being the main character gives you a plot armor?), that is, at a time Big Mom and Kaido weren't even introduced.
Kaido was called strongest man alive by Oda. He put Kaido > Akainu in the SBS. We also know that Akainu's nigh equal is Blackbeard's underling. Rayleigh was drinking, gambling and fucking around for decades, yet stopped prime Kizaru in his tracks, Kizaru was going nuts and venting his rage on fodders, and old Garp, who specifically mentioned how he is declining in power, is throwing Aokiji around.
Yet Aokiji losing some willpower dropped him a tier?