It's a game changer for reading large codebases and debugging.

Error messages were the "slop" of the pre-LLM era. This is where an LLM shines, filling in the gaps where software engineering was neglected.

As for writing code, I don't let it generate anything that I couldn't have written myself, or anything that I can't keep in my brain at once. Otherwise I get really nervous about committing.

The job of a software engineer does and always has relied upon taking responsibility for the quality of one's work. Whether it's auto-complete or a fancier auto-complete, the responsibility should rest on your shoulders.