Try your argument from a scientific perspective...
Which could be...? Earth, this planet, our solar system specifically, our galaxy, are all, each "perfect" ones...
It may require these kinds of "perfect" conditions and circumstances for life to be able to come about on any planet, anywhere... In which case, despite the sheer numbers, we could possibly be the only ones of our kind and very extremely "unique"... There is still the possibility, according to that, that we could be "the only ones" and our planet, is the only planet like it, and we are, the only ones like us, despite the sheer numbers...
I am open to either possibility and can't wait to see what they find... Hope it happens in my lifetime and I am still alive at the time, I would really like to know, for sure...
I would not, and does not change my belief about God in any way...
God Bless!