Everything is a tradeoff. If big pharma had their way, we would get shot every second week (bi yearly shots for flu and covid, some tropical malaria, ebola, mad cow disease...)
Preventable disseases can be prevented by enforcing basic hygiene, but most people do not like that.
Big pharma would rather sell you medicine as an ongoing thing vs a one-off vaccine.
> Preventable disseases can be prevented by enforcing basic hygiene, but most people do not like that.
We're talking about measles here: you're completely wrong in your assumption in regards to measles.