Does failing to detect aliens mean we'll never be contacted?

In a recent paper submitted to The Astronomical Journal in November 2022, a scientist at the Swiss Federal Institute of Technology Lausanne quantifies how the Earth has not heard a radio signal from an extraterrestrial technological civilization since the Search for Extraterrestrial Intelligence (SETI) began listening for such signals 60 year ago. The article also quantifies the potential likelihood pertaining to when we might hear a signal, along with recommending potential strategies that coul...