None of these actually happened. Instead we are now overflown with oil. Further oil is no longer used for power production. It's mostly all wind and solar. The world now is so less dependent on oil.
Rather the end of the civilization is coming from an unexpected source. The medieval virus?
Proving once again, nothing happens as I assume it will.
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//
// not really the "end". that was just a way of talking. those that take things too seriously. :-)