I think Don Giovanni being thrown into hell is a narrative get-out-of-jail-free card being played. Most of the humour in the opera is derived from Giovanni's li

I think Don Giovanni being thrown into hell is a narrative get-out-of-jail-free card being played. Most of the humour in the opera is derived from Giovanni's libido or shamelessness but giving him a comeuppance allows the audience to laugh at him instead of with him.