My dear one of the best tools you can obtain from a good nursing education (or most post high school for that matter) is the ability to research and acquire critical thinking skills. As such it pays not only to read one study or article, but look at their research and also those who have and issued a critical review.
For what it is worth here is a start: 1 Things To Know About The Projected Nursing Surplus >> BluePipes Blog
In many markets at the moment there is already a surplus of nurses (New York City is one) by most accounts. Yet new grads are routinely hired, not enough to suit some, but never the less...
There are places in the USA that probably will always have a shortage of nurses, and this covers a pretty wide bit of territory. So for the article linked in OP to say there will be a blanket surplus of nurses by such and such a date simply cannot be true.
Reasons for becoming a professional nurse have remained pretty much constant since Florence Nightingale elevated/created the profession. Of course people have to eat, put a roof over their heads, pay bills, save and invest but you can provide for those needs in many other ways. Most of which do not require the enormous effort in time, educational and other resources that modern nursing programs seem to want.