I don't know how you can come to that conclusion.
Going into the series, the Thunder small lineup was their only positive one against the Spurs (+19 in 43 min). When they've gone Ibaka+Perk in the past, they've gotten demolished. Like, demolished (-27 in 101 min). The script was flipped in game 1, and the Thunder small lineup was unproductive and their bigs played well....however, I think thats highly misleading. The big lineup had a strong first half because the Spurs played like ass. I know that sounds homerish but its fucking true if you watched the game; the fact that it was by 1 with 14 TOs is all you need to know. I really doubt Ibaka+Perk will be successful against the Spurs, especially with how disrespectful the Spurs defense was of their interior...the Thunder simply can't score with that unit.
So you'd think small ball would be the answer, and thats what Brooks resorted to in the 4th. But the regular season numbers are with Richard Jefferson and not Stephen Jackson. And heres where it gets interesting: JAX is an awesome small ball 4, and I think game 1 showed that whatever advantages OKC had going small were neutralized in that acquisition. JAX is big, strong, and long enough to play the 4, and with Duncan as the best big on the court and our deeper guard rotation (we don't have to play Fisher and Cook when we go small ffs), I think we now have the advantage in small ball as well.
I'm not sure what adjustments Brooks can make. He'll probably try to go big, but I have a feeling that will just produce the same results as the regular season...
They're fucked. They don't have a lineup that can compete.