It's highly probable that we aren't the only life in the universe. The only thing that makes it impossible is we aren't smart enough to know yet, but most signs point to that we can't be the only life in the universe
Is everyone who challenges your ideas a troll? Sorry. I'm still not trolling you OR arguing just to argue.
And let's talk about the best decisions. Did Vlad The Impaler think it was the best decision? What about Ghengis Khan? Kubla Khan? Nobunaga Oda? Mitsuhede? Washington? King George? The list goes on and on... So who's right, and who's wrong?
They all had the best evidence available, yet thought that the best way was to oppose a different idea