No, I believe the pithy answer also conveys a sufficient rebuttal to the "substance" of what you were saying. Or to put it more explicitly: the scenario you lay

No, I believe the pithy answer also conveys a sufficient rebuttal to the "substance" of what you were saying. Or to put it more explicitly: the scenario you lay out is rare enough to be of no consequence compared to the much more frequent instances of unremarkable legacies getting a massive handicap.