Earlier quoted context omitted.
Just for fun, give it a function you wrote, and ask it if it can make any improvements. I reckon I accept about a third of what it suggests.
Not a bad use, though I argue being able to do that critique yourself has a compounding effect over time that is worthwhile.
In theory I'm learning from the LLM during this process (much like a real code review). In practice, it's very rare that it teaches me something, it's just more careful than I am. I don't think I'm ever going to be less slap-dash, unfortunately, so it's a useful adjunct for me.