

“the vaccine is useful for some protection and for other people it wanes”
Yeah and the measles makes some people immune and for some people they die.
Edit: also, what kind of argument is that in the first place? “Yeah well sometimes it provably provides a positive benefit to people’s lives in a statistically significant way, and sometimes it’s neutral with no downsides???”
How Luffy D. Monkey looks right before he’s about destroy the big bad guy in every arc.