Earlier quoted context omitted.
You are, again, failing to note that it’s a right skewed distribution. The mean is not what you care about.
In fairness, I was responding to the first sentence in the quote from the article. It seems relevant, as a patient to ask, on average, how much longer will I live if I take this drug?
If you run a year long trial where you flip a coin and immediately kill or save people based on the results, your average survival will be 6 months