In Avi Loeb's TED Talk titled "My Search for Proof Aliens Exist," his main thesis revolves around the idea that the scientific community should take seriously the possibility of extraterrestrial life and investigate unexplained phenomena with an open and rigorous approach. He emphasizes the importance of examining unusual objects, such as the interstellar object 'Oumuamua,' which he argues could be evidence of advanced technology from extraterrestrial civilizations.
Loeb's intention is to encourage a shift in the scientific paradigm regarding the search for extraterrestrial intelligence. He advocates for more funding and attention toward the investigation of potential alien artifacts and the need for a more open-minded perspective within the scientific community. By challenging conventional views and promoting an exploratory mindset, he aims to inspire curiosity and further investigation into the possibilities of life beyond Earth.