A Streetcar Named Desire: Is Illusion Necessary To Life I believe that illusion is not necessary to everyone's life but rather it helps them to avoid the harsh realities that they may have to deal with in their lives. I also believe that a major theme of this play was how our lives can often experience a fierce battle between these illusions. In the case of "A Streetcar Named Desire" there are many examples where the characters are simply hiding in or behind illusions and where the characters may try to destroy or protect their illusions or those of others. The best e