It seems like we are of one mind on this, yeah then BB will use the food situation + Garp to become recognized as a King.
The biggest irony in One Piece is that Xebec’s ambitions were almost identical to Blackbeard’s, and yet his failure came because he tried to force his ambitions too quickly. He was too rash, believing that brute forcing his way through World Nobles would overthrow Imu. Teach shares the same desire to destroy the system, but he takes a far more cunning approach by weaving himself into the existing system like he did with WB, using alliances of convenience to climb the power structure.
Oda is going to make his quote something that rings a bell very single time Teach's on panel. A man who aims for the top doesn’t need to show his might.