When faced with such opposition the only thing one can do is "own it". When you own it you take way a their power to hurt you.
The article says despite language barriers the women were shown how to, this does not equal theft.
I do hope these women move to a less hostile environment and continue to share their love with others. And not worry about those behind them, we are not meant to "toss pearls before swine".
http://m.sfgate.com/news/articleComments/2-white-women-opened-a-burrito-shop-It-closed-11173885.php