You're presenting it as he has an infinite money supply and just of pure stupidity and greed doesn't want to pay $20 or $50 per hour. Maybe his supply is not unlimited, and maybe nobody would buy a taco for $50 and he knows it, and he made the calculation and decided there's no way to pay all his costs, charge the price that people would be willing to pay, and make a profit.
Now, if you know how to do it, there's a big opportunity for you just opened up. You could buy the place (probably for cheap), hire the cooks for $20 or for $50 (they would be ecstatic to work for you, I am sure, you're not that previous greedy owner and would pay them lavishly) and become the model of a businessman. People love good Mexican food. I know I do. I know many people that do. You can't lose, really - it's a mystery why there aren't more Mexican food billionaires... It's so simple, after all.
Somehow most of such attempts I've heard of never turned a profit and shut down soon. Maybe those restaurant owners know something about their business that is not obvious to a random person only reading newspaper headlines...
Now, if you know how to do it, there's a big opportunity for you just opened up. You could buy the place (probably for cheap), hire the cooks for $20 or for $50 (they would be ecstatic to work for you, I am sure, you're not that previous greedy owner and would pay them lavishly) and become the model of a businessman. People love good Mexican food. I know I do. I know many people that do. You can't lose, really - it's a mystery why there aren't more Mexican food billionaires... It's so simple, after all.
Somehow most of such attempts I've heard of never turned a profit and shut down soon. Maybe those restaurant owners know something about their business that is not obvious to a random person only reading newspaper headlines...