Partly this because there was never a focus on STEM there is a focus on a limited subset of T and E that businesses find profitable.

Even then, you need history and philosophy of science classes to actually contextualize and contrast "scientific thinking" to actually get people to go engage with science as an ongoing endeavor rather than a series of concepts from a text book that must be memorized and mastered.

+1. I learned more about what parent is talking about in my philosophy / epistemology courses than STEM ones.