Perhaps, but just as conditions in Europe might have inevitably led to war given the right spark, couldn’t the discovery of the chemical engineering to develop

Perhaps, but just as conditions in Europe might have inevitably led to war given the right spark, couldn’t the discovery of the chemical engineering to develop fertilizer have been just around the corner and if not Frank Haber, one of his students or some other chemist might have found it. I agree with you though that it was a turning point for mankind.