Until we know, scientifically, we have no business making assumptions.
I think you made my point.
Bottom line is everyone is entitled to their opinions regarding this, but the fact is, none of us know for sure.
Considering their are literally *trillions* of planets outside our own solar system, my bet is there are all kinds of life out there. In fact, it would be even stranger or harder to believe, if there wasn't, IMO of course.