It's not that it's not exactly the right sort of power, it's precisely the antithesis of his functional world-view. It requires mutual cooperation and consent to be useful. Within the relationship between him and the biodynamic(s) he enhances, he relies on them to make his power relevant, while they are still flying and shooting lasers without him. There wouldn't even be a fame advantage, because making the other stronger is definitely not the way to get yourself accolades.