One of the main "problems" we solved with adopting styled-components back in 2016 was styles colocation where more junior members managed to create a several thousand line CSS file with a mess of selectors which we couldn't safely figure out which is used where.
My current plan is to transition to CSS Modules which should allow preserving most (if not all) of the current styled-components DX and advantages.
Improved battery life is a nice bonus. But yeah, they are going to do this to have control as Intel has not been a reliable partner in the last 5-10 years.
But somehow the cost has doubled in the last few months.