How the fuck did Crocodile lose?

>Be Crocodile
>Survived fighting Whitebeard in New World
>Can use COO & COA Haki
>Awakened sand logic df user (can perma-manipulate Environment like Aokiji & Akainu did in Punk Hazard)
>Has desert home advantage
>lose to pre time skip Luffy.

Wtf? How?