or even to know that we were even here.

What about our megafauna extinctions, nuclear tests, mass biosphere degradation and destruction, the Anthropocene extinction event, the fish bones of 2-6 trillion fish we torture to death every year, the bones of trillions of monstrous chickens, anthropogenic climate change, plastic… and soon the upcoming anthropogenic climate-change cascade and the Anthropocene mass-extinction event?

sent signals from beyond the Ort Cloud

I thought “It will take about 300 years for Voyager 1 to reach the inner edge of the Oort Cloud and possibly about 30,000 years to fly beyond it.” https://photojournal.jpl.nasa.gov/catalog/PIA17046