TL;DR: It’s because elderly dominate the hospital statistics and the elderly are most likely to be fully vaccinated there.

This isn’t some condemnation of the vaccine. It’s a demographic quirk. It’s also not even the norm. It’s a headline precisely because it’s unexpected and different. Clearly the headline writers sat down and brainstormed how to make this headline as misleading and controversial as possible to get clicks.

For a given age group, hospitalizations and deaths are still significantly higher among the unvaccinated of the same demographic. The difference is so stark that it’s not even a question.