She meant to say that the soon-to-be-out-of-work miners need to learn to code, so they can create apps to locate the hidden land mines, because of course it's too dangerous to probe for those in person, so let an app do it. "Alexa, locate all the unexploded land mines in this pasture".
Next she'll be telling them to look for employment out in the wild west, where there are thousands of job openings for Cattle Guards.