Epic Beard Man
Bearded Philosopher
Actually you'd have to demonstrate that they are not. There's just as much verifiable evidence for angels are there is for magical unicorns. Now if I claim that magical unicorns are REAL then it's up to me to provide the evidence to support my claim. It's NOT up to you to provide evidence that magical unicorns are fictional. That would be silly.
I'm not postulating anything. You say they're fictional I asked how? You say because there is no proof, I said well there is no proof of multiple universes but there are still people that believe it may exist.