There is a fundamental problem with the goals of the governments education system and the goals(or point) of the enterprise. They appose each other because at a fundamental layer the point of gaining power from the efforts of educated people is not in the governments best interest. So it has historicaly been designed for the control of educated people, not in their empowerment to create and change the future and balance of power. This will never change. If enterprise wants a better educated workforce they will have to invest in educating their people, education is the only way to take power from those who cause this problem. It does happens now, but it needs to be expanded on a cultural,practical level. Things will never, and never have gotten better without people disregarding the powers that be and doing it themselves.
There's no shortage, the perennial shortage claims are simply an effort to reduce wages across the board.
To their credit, they do include this obvious fact in the article, although it's presented as "there are those who claim..."