To strike a little fear into the heart of many: the most obvious and urgent ‘gre

To strike a little fear into the heart of many: the most obvious and urgent ‘great filter’ is not nuclear war, or climate, or geological, or astronomic crisis, but our inability to restore nature selection by continuing the ancient practice of limiting reproduction of the unfit. https://twitter.com/curtdoolittle/status/1386436410236825604