Not really. The fundamental problem in the economy is the focus on the short term rather than the long term. The economy focuses on the short term because Wall Street focuses on the short term and will invest in firms with similar short term focus.
Ratio-based investment isn't fundamentally short or long term, and the article doesn't persuasively make that argument. The entire point of selling off your assets to improve profit-to-asset ratios is to improve the performance of your assets, so that they can be put in investments which offer better profits. Whether the new investments are short-term investments or long-term investments is a matter of investor preference, not financial science.
In fact, the argument to be made is that companies which "sell off" their human capital are actually in violation of RONA principles, because the company is not ultimately made of dollars and cents but of people and products, and since the company can't really extract more value out of its highly specialized human capital (I.e. by reassigning it to more productive work), it should not reassign that capital elsewhere.
Investment bankers and programmers tend to make the same error: you are less competitive at manipulating your abstraction (whether that be money or high-level languages) if you do not understand how it abstracts away reality. Otherwise, you will constantly be dealing with leaky abstractions.