The Oklahoma City Thunder were theoretically fatally flawed. But, over the season and inside the playoff crucible, they've theoretically evolved. Something "big" is happening in Oklahoma City, beyond the obvious "Big Two."
In sports punditry discussions pertaining to the Thunder, you'll hear plenty about "those two guys." Indeed, Oklahoma City's brand as contender is defined by "those two guys." And yes, whether or not you're defining superstardom by Mark Cuban's standard, those two guys are very important in this series.
But there are more factors than just, "Kevin Durant and Russell Westbrook score a lot.