The author here is essentially describing the classic &#x27;seen vs unseen&#x27; problem which Bastiat outlined in his 1850 essay titled &quot;What is Seen and What is Not Seen&quot;.[1][2]<p>[1] <a href="http:&#x2F;&#x2F;www.econlib.org&#x2F;library&#x2F;Bastiat&#x2F;basEss1.html" rel="nofollow">http:&#x2F;&#x2F;www.econlib.org&#x2F;library&#x2F;Bastiat&#x2F;basEss1.html</a><p>[2] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Parable_of_the_broken_window#CITEREFBastiat1850" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Parable_of_the_broken_window#C...</a>