I have attended the Big 12 Tournament in the following venues:
American Airlines Center: '03, '04, '06
Kemper Arena: '05
Chesapeake Energy Arena: '07, '09
Sprint Center: '08, '10, '12, '13, '14, '16, '17
I feel uniquely qualified to comment in this thread because I've seen a Tournament in every venue the Big 12 has ever visited FOR the Tournament.
I'd rank the host cities as follows:
1. Kansas City
2. Oklahoma City
3. Beirut
4. Dallas
Nothing personal against Big D, but the Tournament gets swallowed up there. I was in the stands for the infamous "Touchdown Pervis Pasco" game and you could've swung a dead giraffe around the upper level and not hit a soul. Compare that with Wednesday night in Kansas City, when 12,000-plus came out for the opening session featuring three teams from Texas and Oklahoma. We played Texas in the AAC on a Friday night in 2004 following a game between Missouri and Kansas and it wasn't anywhere close to full.
If the fruitcakes in the Big 12 office pull their heads out of their butt and move the women's tourney back alongside the men's then I believe you'll see OKC hosting it once again, and fairly often. You simply cannot beat that "across the street" dynamic between the CHK and the Myriad. Downtown also has a heck of a lot more hotel rooms now than in 2009, so that's another feather in its cap.
My buddy Sooner24 has a saying, and I tend to agree with him, "those who complain about the Tournament being in Kansas City have never been to the Tournament in Kansas City." Power and Light is awesome. Plenty of good food options very close by. Tons of downtown hotels. Great shopping and dining a short car ride away in the Plaza. Throw in the new street car connecting downtown to the Crown Center and it's got everything you need.
I'm all for fairness, and I'd love to see Tulsa get their shot. I have no problem with OKC once every couple of years either. If they want to throw Dallas a bone and be greeted with a plethora of empty seats, they can do that too. But I've been everywhere this Tournament has ever been, and Kansas City does it better. By a large margin.