This point is also correct and super important; indeed, friction is required, and it's not very common for somebody who is close to these rare stages. I was trying to be short and not too reductionist...
That tension between being brief and being fully understood is real. Sometimes a concept just doesn't compress well — and forcing it into a short form loses exactly the nuance that makes it interesting. The book version often is the right answer, even if nobody reads it lol