Mixed
The use I do get out of Cursor can save a lot of time for me, so I do think it's a productivity boost as is
Jaygles on Hacker News
In the thread “Career Advice in 2025”, replying to this comment
Helped: Autocomplete for short, repetitive character sequences.
Got in the way: Generating significant complexity without excessive prompting effort.
… I've yet to coax out good/working code of significant complexity from these models without putting an amount of effort into prompting that would be greater than just working it through myself without any LLM assistance. The use I do get out of Cursor can save a lot of time for me, so I do think it's a productivity boost as is.