Every vaccine prior to COVID took years to develop. By that time, cases for each disease had already begun to plummet due to herd immunity. It’s simply not true that the polio vaccine ended polio, or that the smallpox vaccine ended smallpox. Look at the data.
Vaccines needn’t be scams entirely. The reason they are scams is because they have been presented as infallible, when in reality they are evaded by new strains of each virus, and mandated for the purpose of fiat profits and control of the population, despite having not-insubstantial risks associated with them, which are always buried and censored.