Based on available facts at the time it seemed like a reasonable conclusion but they should have also realized the facts they did have were limited. Chemical f

Based on available facts at the time it seemed like a reasonable conclusion but they should have also realized the facts they did have were limited. Chemical fertilizers, industrialization, mass production, these all got us out of a jam. The full effect of early bio-engineering efforts had yet to play out, and the work of Normal Borlaug (https://en.wikipedia.org/wiki/Norman_Borlaug https://en.wikipedia.org/wiki/Norman_Borlaug) wasn't in full swing. Today we're bumping up against different hard limits, like fresh water, which could cause enormous problems if not dealt with before it reaches a critical state.