Earlier quoted context omitted.
SETI is not misguided. We've known for a long time that Earth was hospitable to intelligent life (us). That there are other species with similar levels of intelligent just makes Earth more awesome. But it would be a complete mindfuck if we found other intelligent life in space, where before there were mainly only stars, rocks, and interesting formations of liquid and gas somewhere in between. It would change everythi…
The thing about SETI is that it is not really a search for intelligent life, it's a search for "intelligent life that broadcasts radio waves of a frequency and power that we can detect in a pattern and on a timescale similar enough to our own communications that we can recognize it". Fermi's paradox basically boils down to: if intelligent life is at all common, it should be everywhere we look, and yet we don't see an…
Radio waves are probably in the same bucket of technologies as smoke signals for civilizations few hundreds years more advanced than us.