Sure, vaccines have reduced deaths...for now. Except, have they? Not really. [1] See the bump between July and November? That was after mass vaccination.

That begs the question: what happens when their efficacy wears off, as it appears to do?

It's not a flat-earth level of denialism. It's taking into account all factors, and in science, all factors matter. [2]

[1]: https://usafacts.org/visualizations/coronavirus-covid-19-spr...

[2]: https://gavinhoward.com/2020/08/in-science-all-factors-matte...