I don’t think the (very old) CGP Grey video on the topic has been posted yet.
https://youtu.be/rNu8XDBSn10?si=inPVvC7BkSELXSvi
The only elements in this video I know to be out of date are the UK’s membership of the EU (*shakes fist), and Barbados is now a republic.
That’s a great piece. Thanks for sharing.
The fact that most of our signals for extra-terrestrial life are based on life on earth has always made me concerned we’d miss something. This has made me reconsider a little. We would miss life unlike earth’s with our approach, but without an analogy like this to draw on, how could we know?