I can't connect these characteristics to Martin Luther King, and lacking evidence to the contrary assume that he really meant and believed in what he said.
Following the polite requests of Disney, the whole western world has now modelled copyright law to maximise corporate profits, and as a side-effect it allows some children, grandchildren and grand-grandchildren of artists to use their word as a bargain. Happened in Germany with poet Bert Brecht, who was a commited communist and wouldn't have supported "intellectual property" in any way, with others who wrote against the thing they are now used for.