I'm not saying that my education at UTSA was worthless - I got a good education because I worked my ass off for it, and it ended up getting me into Michigan largely because of my recommendations rather than the school's name (or so says the admissions counselor that I talked to). I never wanted to knock the faculty, because there are some really brilliant people teaching there.
That being said, the way the administration works at UTSA, faculty gets rewarded for good reviews in the class-end assessments that everyone fills out. Those reviews decide salary increases and make or break the track to tenure. As positions in academia are getting harder and harder to come by because more and more people are getting advanced degrees, a lot of faculty tend to teach in a way that makes the students happy rather than making them learn/use critical thinking as much as they could.
Not ALL faculty, but many do this.
The end result is a largely commuter school that accept more than 90% of their applicants and holds their hands until they finish with their degree if the student wants to do it that way. I spent a lot of time in classes surrounded by people who would willingly admit that they had no ing clue what was going on, somehow manage a C in the class, and skate by to the next semester.
Also, I don't know if you have ever seen a budget break-down for the school, but it's pretty ing skewed against the liberal arts, which is one place where a school can earn a lot of prestige. I took a class my senior year from a prof that had us examine and analyze the school's budget, and something like 3% of the school's funding was going to the liberal arts - and that included any sort of funding for research on the part of faculty, etc. That's pretty paltry. And yet there's money to dump into a football program.
I am glad that UTSA is getting a little more selective, and with the top 10% of high school classes overwhelmingly going to UT because they have automatic admission, a lot of people are turning to UTSA as their alternative, and it's making things a little better. I'm not going to pretend that there aren't some major issues with the school, though.