The stadium has to be downtown otherwise westsiders won't go and you need westsiders to make this thing successful. Period - end of story. For all of the eastside's buying power, they simply don't spend per person more than the westsiders and they don't do it as often. There's just much more disposable income on the westside.
The Diablos never lived so well as when they first moved to the Northeast and westsiders excitedly made the trip over the mountain for the games. Dudley field was just a little to rough and out of the way for the folks on the sunset side of the mountain.
About nine seconds after westsiders decided that Cohen was too far and Transmountain too slow to traverse, the team died. People "in the know" will tell you this fact if they trust you. They no longer trust me after this post.
The next time you go to a UTEP basketball game take a poll of where the people in attendance live. Especially pay attention to the people in the expensive seats. I bet you a bunch they're mostly westsiders. Do the same for the luxury suites and great seats at football games - including the Sun Bowl - and you'll find the same answer.
So that's why the stadium, arena, soccer field and square dance pavilion have to be downtown.
Commence you losing your mind in the comments section below.