Reports are evidence. It may not be sufficient for you, but it IS evidence.
You need to look up the definition of evidence.
Your position is the same as the creationists saying they haven't seen dinosaurs evolve, so it didn't happen.
No it's not. Dinosaurs leave fossils and with cladistic research one can determine their evolution. Plenty of early religions left written records with all sorts of claims and they aren't proof either. If they were one could make the case for the existence of Baal.
One has faith or one needs proof. Take your pick