I never got a chance to see the difference there because I moved on shortly after.
It was just that almost constant conflicts with poetry (and the errors about the project being out of sync) with a team developing in parallel were painful enough for me to suggest we try uv instead.
It seemed uniformly better with a simpler docker setup too (although I liked how pants would created executable bundles and you could just ship those).
Fair enough! I'm a bit surprised that anyone could get regular out of sync errors unless a team member were constantly updating dependencies every commit. But then if they did that with uv I'd imagine they'd have the same issue. Unless uv does something extra smart and creates you a new environment for every git branch.