God doesn't physically exist either and was created by people too and millions of people love and worship him, that's pretty much the same loving an anime character, likewise people that love celebrities and dream about being in a relationship with them, it'll never happen so to you me and everyone else, they might just as well not be real. The only difference is that I know my waifu isn't real but choose to love her anyway.
Hell, even Pharrell Wiliams has a anime character girlfriend, ****** got good taste in girls too, It girl is hot: