Obviously, an improved grid and storage are the next big challenges facing the renewable industry. And that’s being worked on, using the “science” you refer to.
What’s wrong with shouting hallelujah when a milestone is achieved? Such a cheer doesn’t mean the end of work or a problem is solved. It just signals that progress is achieved. Of course current fossil fuel sources can’t be cut off right now without tremendous impacts on society. The article details the successes of other countries who are working toward the day when the fossil fuels required will be much smaller. Meanwhile, our Republican representatives are fighting to keep a fading, near obsolete industry alive, much like they battled to maintain incandescent light bulbs.