1766 – 1834
Malthus was:
Published in 1798
Therefore, population will eventually outgrow food supply, and everyone will starve to death and it will be bad.
a forced return to subsistence-level conditions once population growth has outpaced agricultural production
It's a debate, and has been for over 200 years.
Although his ideas have been maintained, the imminent threat Malthus saw never made itself real.
His concepts have been manipulated to remain relevant in today's world, but in reality he didn't foresee the changes that Industrialization brought.