i dont think thats the only reason, some people believe in pseudoscience more readily than actual medicine. supplements have always been unregulated for decades.

in ra2 game, the allies have the weather machine, which jams radar and causing a lightning storms to destroy buildings. sg1 had encountered a tech thats basically an astrolabe, that controls the weather.

All those Indonesian tropical rainforest burned for the palm oil, and Amazon forest for the cattle. Both are mega diversity areas for plants and animals and many remained undiscovered