I met Antonio at a bar which was very new at the time. It's in a place where many other businesses have failed, and he wished them the best. He told tall tales of cooking in San Francisco, allegedly having single handedly made amazing food for the 50th anniversary of the golden gate bridge. We talked about Mexican joints and the restaurant business. And politics. And religion. And booze. I thought he was a cool guy that probably ran cool restaurant.
He does in fact make excellent food. Almost certainly the best burritos I've ever tasted. However, he's a much better cook than restaurant manager.
He won't give you a glass of water, you have to buy bottled. His staff us constantly turning over because he's a tyrant. He may be slow, he may be rude, but damn those burritos rule. Good luck.