Ignorance is not bliss. The Pfizer case pin points another enemy of the ordinary person. How is it possible to fight an enemy that uses tactics reminiscent of Nazi Germany? If one had any doubts that one must always always be on one's guard, the frauds by Pfizer should be telling you something.
It is not enough that you yourself research into hidden dangers. It us not enough that you trust only respected brand names. It is not enough that you work within established social norms. And, the reason is because of people and groups like Pfizer who break all the normal rules of society and still get away with it. Who are these people?