They are not safe because the people making them earn more money from sick populations than healthy ones. There isn't as much money in cures compared to treatment.

Humans have not yet reached the peak understanding of RNA or DNA manipulation and their relationship to human biology.

CEO's are legally obligated to maximize shareholder wealth, therefore it is illegal for them and not in their financial interest to actually make people healthy. Sick and vulnerable people are their source of income.

Viruses are very small and vaccine cultures are easily contaminated or are unclean at the start.

Vaccine adjuvants and preservatives are toxic by definition and there can not be any completely safe alternatives to those currently used.

The temptation for human beings to adulterate the vaccine compounds for a trusting public in order to gain a financial and reproductive advantage is more than the people at the head of these corporations can resist.

Many people are cunts.