Thanks for a nice article; your quote talks about the root of the issue, and a transition to renewable energy might buy humankind some time; the problem goes a bit deeper: the premise of growth.
Should you be interested, Tom Murphy's "Energy and Human Ambitions on a Finite Planet", https://escholarship.org/uc/item/9js5291m, gives a sober account on the issues at hand; for a short summary, you might consider https://peter-wurmsdobler.medium.com/tom-murphys-energy-and-human-ambitions-on-a-finite-planet-in-essential-diagrams-fe787744ea4f