Adam Douglas
It would be preferable if it was "[subject] explained" rather than using his irrelevant name in the title. Haven't seen his work so cannot comment on his competence.
Martijn
His name is relevant only because he shares it with the TV show: Last Week Tonight with John Oliver. HBO officially calls the different show segments "John Oliver on [subject]". They never use the word explained though, as, of course, it all comes from the show's writers' perspectives.