TPTB know our weaknesses, and exploit them to the fullest.

they know that parents are afraid of losing a child, so they use that fear to sell vaccines.

then they LIE about the vaccine side effects, and adverse reactions, etc

and justify their LIES by saying that if the general public knew the truth about how dangerous vaccines are, parents wouldn't vaccinate anymore, and gee whiz, wouldn't it be terrible if measles, and polio, and smallpox came back just because a few parents were worried about a little autism...