> and yet, those developments seem to have had little effect on the geopolitical situation
I beg to differ. Two years ago the Saudis and the Russians got in a bad spat where the Russians decided they wanted to bankrupt US natural gas producers and the Saudis decided to bankrupt the Russians
A good portion of this article dealt with energy security. The US producing a ton of oil dramatically changed energy security. And I was specifically responding to the claim that US oil production has not had a geopolitical impact. It demonstrably has