It's really strange to hear you describe one as inferior when they barely sell the same food. True, they both sell food based around Mexican staples of corn, beans, tomatoes, spices, and meat, but that's as far as the similarities go.

Taco Bell has trouble proving that up to 35% of its beef comes from cows: http://sanfrancisco.cbslocal.com/2011/01/24/lawsuit-filed-in...

Taco Time's ground beef isn't even frozen: http://www.tacotime.com/menu/