rational skeptics evaluate<quoted text>
I think you misunderstand.
It's the "At least a few of them must have" thing that is an opinion, a belief for some.
There is no evidence of that, outside of Hollywood.
I see it as a belief.
A belief I agree with...
Even if the proposition of "life" on another "planet" were restricted to "mirroring life on earth" the probability for life existing elsewhere is very high. More recent investigations indicate that life is capable of existence in environments formerly thought restrictive. Lending credence to thoughtful speculation.
non-of-which constitutes "belief"
I do not intend, nor will I be enticed, to work thorough the scientific justifications, nor the mathematics, for those who form their concept of reality upon fear and desire.