Because a mix of renewables deployed on a continent (most grids tend nowadays to extend on whole continents because it enhances continuity of service while offering many ways to optimize for emissions, costs...) is better (cheaper, less dependency towards any fuel, less risk related to accidents/neglects/mistakes/war/terrorism/hot waste/... ...).

GAFAM nuclear are mere announcements, intentions.

On the other front most already progress. https://www.reuters.com/sustainability/climate-energy/micros...

https://www.reuters.com/sustainability/climate-energy/micros...