I don't think anyone chooses to relinquish all control from a project they've worked hard on. It's a slippery slope. You start with allowing it to help out a tiny bit, being in control and understanding the code the LLM writes, and then you become more confident in the results, and you trust it, and you don't read every line, and before long its refactoring an entire file by itself and you're not reading it.

And then you look up one day and you don't recognise the codebase