As admitting that solar is now a superior and cost effective means of energy means admitting that the US is no longer top dog.
As empires are built on mastering a source of energy.
the Portuguese | Dutch - mastered wind to power their ships.
the British mastered coal to power Industrial Revolution.
America mastered oil
now the Chinese have Solar.
even in places like Africa etc -- places were the grid was never available for $2k -- you can power your whole house with solar and lithium batteries. Panels are getting cheaper, same as batteries. Once the tipping point is reached for electric vehicles both personal and commercial - transition to fully electric mobility happens