UK environmentalist George Monbiot asked the title question in There may be flowing water on Mars. But is there intelligent life on Earth? (The Guardian, September 29, 2015). The lead is even more revealing.
While we marvel at Nasa’s discoveries, we destroy our irreplaceable natural resources – so we can buy pre-peeled bananas and smartphones for dogs
Smartphones for dogs. Even brief contemplation of this product of "human ingenuity" speaks to Homo sapiens as an evolutionary disaster. Evolution is a "blind watchmaker" according to Richard Dawkins, and thus sometimes wanders into blind alleys. This is clearly one of those times.
I think we know this much — if you're forced to pose the title question, you already know the answer.