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Many follies, particularly during times of famine, such as the Great Famine in Ireland, were built as a form of poor relief, to provide employment for peasants ... https://en.wikipedia.org/wiki/Folly

I think you're trying to bite off much more than you can chew with the tools at hand here. Extinction phenomena are too complex for a simple idea coming from fundamental physics to do anything useful for us in the way of an explanatory mechanism. As to the physics, here's a rough list of some "concepts" you've sported here that are non-standard and demand a clear unambiguous definition in terms of things that can be measured: Proportionality cone Local gravity system Total gravity function Relativity of gravity (relativity with respect to what?) (The list is not meant to be complete.) If you cared to provide more details about those, maybe I and/or others would be able to provide more information about how your idea is probably wrong. As it stands, I can only tell you there's almost a 100 % chance that it's wrong.