The speaker's implied name of Don Juan sufficiently tells us what we are meant to think of his arguments; and they also convict themselves by landing him in an act of immorality, which brings its own punishment.
"A Handbook to the Works of Browning (6th ed.)"
Mrs. Sutherland Orr
Powerful protests were made in parliament against the immorality of the lottery.
"England in the Days of Old"
William Andrews
The true prophet's ecstasy was not accompanied by immorality or superduced by drugs or physical abuse.
"The Literature of Ecstasy"
Albert Mordell