A recent study discovered that experienced open-source developers were 19% slower while using AI coding assistants. However, those same developers indicated themselves to believe that they were 20% faster.
Read it and weep: the disconnect between perception and reality is nearing 40 percentage points.
Why This Should Bother You
This wasn't just any survey. It compared real task completion times with self-reported productivity. And the senior engineers - the ones we trust to make all the big architectural decisions - were certainly, but inaccurately, confident about their speed.
And the industry is building its entire tooling strategy around the opposite assumption.
