I don't know what's happened to people, but it seems they've thrown out any common sense just to hedge on an improbable outcome.
1. Extraordinary claims require extraordinary evidence.
2. What could we do about it, if true?
3. Oumuamua being an alien spaceship was the plot of Arthur C. Clarke's Rendezvous With Rama. I think that possibility has been widely considered, and if it's true there should be two more coming along shortly.
I can’t tell if news and public can’t handle speculation, or if authors believe in their speculation. Authors need to be better about telling reporters what is speculation, and act like they don’t believe speculation.
Anything is possible. This is like the Russell Teapot thought experiment.
Why is every video they release some fuzzy radar. One former jet pilot I saw recently said the probes would fly right through their formations. This was real recent so the pilots could have their own cell cameras and release after they are out of the military.