Cousins would have destroyed the chemistry. No player has ever said they love playing with him
LOL. Chemistry?!? What chemistry? If this team were a lab experiment, the lab would've blown up—in both games.
As for the OP, size is not a working theory, it's a fact.
Teams do not win titles without legit bigs (unless you have LeBron, which we don't). I've been banging this drum for AGES, but so many people are enamored with small ball. Absolutely ridiculous. Duncan, Robinson, Bogut, Tristan Thompson, Tyson Chandler, Nowitzki, Gasol, KG, Ben Wallace ... that's what wins titles.