i think there are a lot of college-educated folks that would love to switch into a trade, but there are cultural barriers to starting such a career. a not-insignificant number of tradespeople have been taught to see college as the enemy and college-educated folks as soft, coddled people with poor work ethic. if you showed up at a job site after getting a four-year liberal arts degree, you'd be met with lots of mocking and "oh, you thnk you're better than me?" defensive posturing.