People should be lining up around the block for these jobs.
All you need is a rare 6-year degree, 10-20 years experience... and a willingness to live in company housing, 80-hour always-on-call work week, be under constant pressure that the company openly wants to relocate your job back home to asia with zero-notice, and accept a salary 30% below what a person with those qualifications would make working literally anywhere else.
I can't see a single reason why professors would ever teach their students to avoid the semi industry like the plague. It's baffling, really.