Your frustration could be lessened by being less wrong. This very article is titled “experts say booster shots not needed”. Less frustrated people are statisti

Your frustration could be lessened by being less wrong. This very article is titled “experts say booster shots not needed”. Less frustrated people are statistically more likely to get that this means the essential benefits of vaccination have not (or not yet) deteriorated significantly. As to with data from all age groups, they do so for both the value and the comparison. If you feel the need to split each population into subgroups, you would need continue doing so once you find, for example, what differs from the 20-year old that died vs the one that didn’t. In the end, each person would have their own group, because they all differ. But try doing any comparisons, then.