Yes
It's often incorrect and when it is correct, it's often trivial
jasonjmcghee on Hacker News
0.5% if that
In the thread “Tell HN: GPT copilots aren’t that great for programming”, replying to this comment
Got in the way: Often incorrect or trivial suggestions.
… It's very very hard for me to believe anyone could get a 5-10% boost in productivity. It's often incorrect and when it is correct, it's often trivial. It is a value add, but I'd put it closer to 0.5% if that. …