re: Hiding under our beds and covering our ears is not exactly what I had in mind.
So I gather that you're more in favor of more listening than sending. If so, ok.
"Incidentally, the Universe is probably big enough that if we don't want to be found, we probably won't be. In fact, as I point out in the article, the Universe is so big (and so old)that there's a good chance that even if we want to be found, we won't."
True.
I've read that, one way, it would take about one million years for radio signals to travel from Earth to the other side of the Milky Way and some two million years for radio waves to get to Andromeda. SETI's up to what now? Anyways, here we are.