The simple answer to this, is that most liberal arts-oriented positions will morph into sales and marketing, and technical-oriented ones will morph into technical services (software engineering, maintenance). The world isn't going start starving, or somehow skyrocket into 99% unemployment rates. While there will be a "new norm" of higher unemployment rates for a while, that will quickly subside and people will find jobs, etc. We're just experiencing a cultural shift to a different type of business format. Call it the post-technology era.

tl;dr the sky is not falling