Are plan files the new 10k-line PRs?

Many people's new way of working with LLMs is to start with an idea, have the LLM create a spec (review and approve that), then have the LLM generate a very detailed plan. At that point, people have two options: a) They either spend a lot of time reviewing the plan, ask for changes, and finally approve it. Warning: this may take hours. Or b) They skim the plan, but it's too long, so they YOLO it…