It does, that point in the tradeoff space was not available until now. Any model that's not dominated by at least one model on both axes will push forward the f

It does, that point in the tradeoff space was not available until now. Any model that's not dominated by at least one model on both axes will push forward the frontier. (The actual frontier isn't actually a straight line between the points on the frontier like visualized there. It's a step function.)