I agree. I haven't felt this excited by a new technology since the WWW. I can already solve hard problems with it which otherwise would require hiring consultants or spending inordinate amounts of time doing research. It's absolutely game changing.

What hard problems? I'm only using it to clean up my writing as a non-native speake

You might. Most people won't, especially not with how easily it can give you a wrong answer.

(I am extremely bullish on probabilistic productivity tools)