Re:Mars has right ingredients for present-day microbial life...
by sthnblllII on Saturday April 24, 2021 @05:06PM
(#26928257)
Massive loss of life or economic disruption, while hugely bad, is not what a great filter means in this context. If earth's climate returns to pre-holocene greenhouse gas levels, temperature and sea levels the human race would not be cut off from the stars in a fundamental way.
That said my gut says hypothetically talking about the danger of a universal great filter is silly when we clearly face near term filters of our own design right now (climate change, environmental collapse, a nuclear arms race)