"Peak oil" was a Malthusian fad, just like the Club of Rome predictions about the stuff we would run out of by 2000, and Paul Ehrlich's "Population Bomb." [Other failed projections.]
Some people just off on doom, especially doom due to their (or their parents') evil ways.
Princeton University geologist Ken Deffeyes predicted that global oil production would peak on Thanksgiving Day, 2005. In 2005, daily global oil production averaged 85 million barrels per day. Daily petroleum liquids production in July was 96 million barrels per day.Linked article: OPEC just kicked oil into the $30s