Someone who said "why not? It'll be awesome!" most likely? That seems to be the logic most video games seem to follow.

I find it hard to have a crisis about the nature of reality when I've literally been dragged to an alternate universe and can now summon a creature to fight alongside me in battle. [And summoned a legendary hero to fight alongside her at home. And can walk on water. And is friends (sort of) with a magus....]