You still need to state your assertions with precision and keep a model of the code in your head.
Its possible to be be precise at an higher level of abstraction as long as your prompts are consistent with a coherent model of the code.
This is a fantastic quote and I will use this. I describe the future of coding as natural language coding (or maybe syntax agnostic coding). This does not mean that the llm is a magic machine that understands all my business logic. It means what you've described - I can describe my function flow in abstracted english rather than requiring adherence to a syntax