Unless the awareness of how much electronic noise a civilization makes, is a way for other, more advanced civilizations who no longer send out so much, to keep an eye on us from a distance.
Just saying.
Not sure whether I am kidding. Not at all.
Agreed—one of the major weaknesses we humans have is we overestimate our intelligence.
https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect
I don’t think we would recognize an alien intelligence (higher than our own) if it was right in front of our faces.