Whew, that was a lengthy telling off! You may have missed my point, which was that if you rely on technology, and not understand or be aware of alternatives, you may have problems when the technology fails (flat batteries, e.g.). I was sometimes called on to "rescue" young staff whose GPS had failed, and were stuck in thick bush with not a clue of how to extricate themselves. So I taught them basic map and compass skills, as a backup. They all thanked me. The female staff member in my example always carried a brace and bit along with the cordless drill after that incident. I feel there was a good result there.
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