This is the case primarily because no one (and no textbook) showed them the incredible usefulness a moderate knowledge of Physics can be.
Self-Sufficiency - Many Suggestions|
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(The preceding paragraphs appears in each lesson, in the event that someone happens to find a single lesson from this series as a result of a search-engine search.)
There are a few REALLY advanced subject presentations as well! They tend to be too difficult for most adults to fully follow, so they are not included in this listing. The home page of this Domain has a listing under an Advanced Physics listing which has those links.
C Johnson, Theoretical Physicist, Physics Degree from Univ of Chicago