> AI can do 80% of the work. I can review it later. And I spend much less time reviewing than I would have typing up everything manually

Are you sure you're actually reviewing the code? Deeply, properly reviewing and understanding it? Because from what I've seen people that say they do, don't. That's why they 'speed up' from using LLM-generated code.

The old adage that it's far harder to review code than to write it still holds true.