Oda did Hancock dirty.
Shakky attracts so many top-tier men like Roger, Gaban, Xebec, Captain John, Shiki, and Whitebeard.
Hancock only attracts fodder men, Magellan, and Sanji.
Top-tier guys ignore her. She's met Ace, Law, Smoker, Blackbeard, Jinbei, and all the Shichibukai men.