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He is wrong, by the way. Most animals multiply until they exceed carrying capacity, then die off in massive numbers, then repeat. They may find a long-term equilibrium. The current boom in human population, and a subsequent die-off that has not yet happened, were predicted back in the 1970s.

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This happened in rapid succession in the Chernobyl Exclusion Zone. First rodents and small scavengers multiplied rapidly, but then the easy food ran out and their predators showed up, and the cycle repeated. The zone is now roughly at equilibrium, we think, but it's isolated and surrounded by human activity so it's hard to be sure.

The Kaibab Plateau deer disaster from 1906 to 1939 also demonstrated boom and bust cycles.

It is also probably BS to assume a periodical die-off for humans in the near future. At the moment, humans are not showing any signs of a die-off, they are just not multiplying anymore. Humans do have something that animals do not, a culture. And this culture seems to have induced a downward variation in population.

We call human die-offs "war", "genocide", "drug epidemics", "pandemics".

There was a spike in 2021, of course, but the world death rate has been edging up slightly every year since then.

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