It's also hard to produce enough engineers when the cost of a four year degree from a private engineering school exceeds $200,000 and there are limited spaces available at public engineering schools due, in part, to the large number of foreign engineering students who are recruited in the name of diversity and most importantly, because they often pay full tuition (unless they are illegals from south of the border).
Theys larning to b chemists you no, lik makin purpel lean wit skitels. Mo dollahs.