Probably becuase it's owned by Carrols now:

http://www.tacocabana.com/company/history.asp


>USed to be great - had little old ladies hand making tortillas - and the beef was al`dente - now not as personable. The original was a rundown 30`s era Dairy Queen. Eventually, a food store chain, HEB, purchased it and the San Antonio Spurs.
>
>But still one of the best zesty beef taco and an iced Carona shops in town - I wish they still had hand made flour totillas.
>
>I give them a two star burp - used to be four - some suspect that the quacamole is canned - who knows - who knows:-)
>
>I heard there's one or two in California, are there stores in Minnesota?
>
>
>>Taco Cabana!!!
>>
>>>You should come to Houston sometime - it's a cultural grab bag - Indians, >Turks, Nigerians - Sieks - Chinese Vietnamese Japanese Mexicans! It tells >you one thing - great places to eat and great places to feed your eyes.