There may be hundreds of years of oil reserves in existence, but there isn’t currently hundreds of years worth that is currently exploitable. Yes, efficiency in extraction may improve, but not to the level of the total percentage of reserve.
Now to await to be told that I don’t know what I am talking about, because I haven’t followed Bucks’s line exactly. Somehow we’re all sheep for disagreeing with him and valuing experts, yet question him and he comes down on you with fury, because he expects to be taken as an expert.