The Prophet's Dream of Fighting an Army in the Desert

The muslims had no clue that they're going to meet an army it's not even an inclination right so the totally different perspective now the muslims are leaving medina. They literally think this is going to be an easy raid a raid where we are masha Allah 315 and there's only 40 of their armed guards like we have a ratio of almost one to ten basically right. The interpretation is very obvious that not only are these people going to be killed but every tent will have casualties every single house of the Quraysh will have casualties  but they ignored his dream and they just considered it to be just a dream that he had seen not realizing that it was a true