What is the author's tone in Myths to Live By by Joseph Campbell?

Joseph Campbell's tone is one of skepticism of religion's historical validity, admiration of some of its most compassionate teachers and hope for humanity in the future to keep what is positive in religious mythology and shed what is destructive. He opens with a deconstructionist approach to Biblical history, since he is an American raised on Christian mythology and addressing, in the lectures on which the book is based, a dominantly American audience. He speaks with disdain about the most implausible stories such as Adam and Even in the Garden, Noah's ark full of every kind of animal and the flood that covered the earth. He also disdains the historical Church's inhumane treatment of the people who questioned its evaluation of how the world worked in its early history.