This sentence &quot;Investors are desperate for a return anywhere.&quot;<p>and this sentence &quot;The world economy is being held back by declining returns on investment in science and technology.&quot;<p>are not the same that &quot;The primary cause of the slowdown is that there&#x27;s just not much more to _do_.&quot;<p>There is a big different between &quot;there are not easy profits in perspective&quot; and &quot;there is nothing more to do&quot;.<p>There are a lot of things to do. A lot of people is living in need and wherever you look you can see possible improvements in education, infrastructure, investigation, etc.<p>The fact that those things don&#x27;t have a return of 15% shouldn&#x27;t be a justification for, we, as a society, not doing them.