Our civilization has had radio communication for 100 years but we're well on our way to environmental collapse within the next thousand years. The milky way is

Our civilization has had radio communication for 100 years but we're well on our way to environmental collapse within the next thousand years. The milky way is over 100k light years wide. By the time our signals reach any other potential civilizations we'll be long gone. If the average civilization broadcasts for a thousand years but they're tens of thousands of light years apart, communication is not be possible within a civilization-span.