Dolphins- a Reply to Stefan Molyneux

The popular online philosopher Stefan Molyneux of Freedomain Radio recently brought up the subject of dolphins on his radio show. What are his views and is he right or wrong?, see: https://soundcloud.com/stefan-molyneux/fdr-4041-wrong-because-dolphins-call-in-show-march-25th-2018 (First caller).
See here for my previous reply video to Stefan Molyneux: http://hpanwo-tv.blogspot.co.uk/2017/11/mysticism-reply-to-stefan-molyneux.html.