There is theoretically a big difference, but in practice, I think that peopel using AI to 'get suggestions' tend to dramatically under-estimate its impact on their writing.
It might feel like just a couple of tweaks, but they add up fast.
Your “in practice” is doing too much heavy lifting here. This comes across as more of a prejudice on people than a fair assessment of the tools and techniques.
It might feel like just a couple of tweaks, but they add up fast.