"Delusional fantasies" refers to unrealistic and false beliefs or ideas that someone strongly believes in, despite evidence or reality proving otherwise. Full definition
We want anger, emotion and delusional fantasies about mythical world class strikers joining us before the window closes. (justarsenal.com)
If religious people don't have their totally invented delusional fantasies like «The Invisible Man In The Sky» and «Atheists Are Angry», then they would have to deal with the real world as it actually is. (religion.blogs.cnn.com)
Well, perhaps some say they are spiritual but not religious because it is somewhat better received by churchies than if we say that their god and church and everything they believe is one giant man - made power - grab delusional fantasy story that causes incredible suffering around the world. (religion.blogs.cnn.com)