[SahAssar]

ES6 is 11 years old. It's not that new.

[Aachen]

Hence the example of how long it takes non-LLMs to pick that up, whereas LLMs seem to get it despite there being loads of old code out there

See also my reply to the sibling comment with the same remark https://news.ycombinator.com/item?id=47151211

My mistake for saying 10 instead of 11 years btw, but I don't think it changes the point