&gt; Why is this a problem?<p>It incentivizes breeding. The more resources are freely available the more our population will grow until we reach equilibrium. Although we usually overshoot and end up with a Malthusian outcome.<p>&quot;Yet in all societies, even those that are most vicious, the tendency to a virtuous attachment is so strong, that there is a constant effort towards an increase of population. This constant effort as constantly tends to subject the lower classes of the society to distress and to prevent any great permanent amelioration of their condition&quot;.<p>— Malthus T.R. 1798. An Essay on the Principle of Population. Chapter II.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;An_Essay_on_the_Principle_of_Population" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;An_Essay_on_the_Principle_of_P...</a>