Carb help * the famous debate and 2x different cars
Go read the Taylor book. Or Obert. At low air speeds the MAB acts like an emulsion jet.
A bigger MAB will start the boosters sooner and make the fuel curve leaner with RPM.
A smaller MAB will start the boosters start later and make the fuel curve richer with RPM.
Those are the facts. The other fact is you refuse to learn. You don't test anything. You post quotes out of books that are clearly wrong.
Stop with bad advice. And you're BS meter is as garbage as your advice is.