Why do some people have to have scientific proof for this and for that?
Probably because they have no faith.
The thing that always disturbs me about faith is that it seems like it could be used to justify anything and enable people to believe whatever they want, regardless of what the evidence shows. What if a Holocaust denier, when asked about the overwhelming evidence for the Holocaust, said "Yes, the evidence and all logic suggests there was a Holocaust. But I just have faith there wasn't"?
