The best term for this is Cargo Cult Development. Cargo Cults arose in the Pacific during World War II, where native islanders would see miraculous planes bringing food, alcohol and goods to the islands and then vanishing into the blue. The islanders copied what they saw the soldiers doing, praying that their bamboo planes and coconut gadgets would impress the gods and restart the flow of cargo to the area.
The issue of course is the islanders did not understand the science behind planes, Wallis talkies, guns, etc.
Likewise, cargo cult devs see what is possible, but do not understand first principles, so they mimic what they see their high priests of technology doing, hoping they can copy their success.
Hence the practice of copying, pasting, trying, fiddling, googling, tugging, pulling and tweaking hoping that this time it will be just right enough to kind of work. Badly, and only with certain data on a Tuesday evening.
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