Dumb statement: "Television and radio signals would long ago have signaled our presence to malevolent space ruffians, he said." There are only 11 known habitab

Dumb statement: "Television and radio signals would long ago have signaled our presence to malevolent space ruffians, he said." There are only 11 known habitable exoplanets within 50 light years that we know of. Assume there are 1000 within 100 light years. The odds of a super predator in that small of a sample are virtually 0. Plus, even if they had their armada on standby, it takes at least 100 years to get here. Apparently there is little intelligent life on earth.