

Not only the U.S. grid is weak compared to China’s… Strategically China seems to be outpacing the U.S. on many fronts, being much more stringent and focused on long term goals than the chaotic U.S. at the moment. I really don’t like the idea of living in a world with China as the leading nation, but it increasingly seems like the most probable development in the mid to long run. And transition will likely not be smooth…
Yes, as it basically is just foreign, untrustworthy Code executed on your own PC.
But total blocking will make most of the web unusable.
I use a selective Script blocker extension (Noscript), that lets you instead choose which domains are allowed to use Javascript.
Works great after the initial try-and-error setup phase.