Mike Godfrey gave a talk at SANER 2016 looking back at the 10 year old paper "Cloning Considered Harmful" Considered Harmful which received the Most Influential Paper award. It definitely has influenced the discussion on cloning emphasising that there are valid reasons to clone. The discussion overall is not done, however. We are still working to understand the factors influencing the impact of cloning.
Here are my sketch notes of his talk: