>> Explaining something to some people, it is important to do it "easy", in a way they can understand. <<
Go ahead and explain it " difficult " , in a way I may not be able to understand. If I need help , I'll ask.
What you failed to pick up on is my contention that the DNDN survival data is at least as good as the BEST surrogate data , especially for unvalidated surrogates , in predicting the likelihood that future trial data will demonstrate a "true" survival benefit.