First, it does not "overstate" the annualized returns. It just brings a particular view of them, which is the "expected annual return" vs the "compoundable annual return". Both are perfectly equivalent and represent different ways to look at annual returns. I would expect most practitioners to expect the former.
Second, this debate is completely irrevant here, as all charts show cumulative returns based on a $1 investment.
First, it does not "overstate" the annualized returns. It just brings a particular view of them, which is the "expected annual return" vs the "compoundable annual return". Both are perfectly equivalent and represent different ways to look at annual returns. I would expect most practitioners to expect the former.
Second, this debate is completely irrevant here, as all charts show cumulative returns based on a $1 investment.