Aids is also something we learned how it spreads and could massively reduce the risk of, which is not true for any of the new problems.

What?

We have never had the head of the fda being antivax and actively cutting vaccine programs.

We have had a number of administrations, following the official creation of the modern FDA, abuse the roles and advanced industry profits over human health and safety. Reagan very famously made light of the AIDS crisis specifically, accusing reporters and advocates of sodomy whenever the issue was raised. Bush restricted the sale of Plan B abortion drugs, restricted public school education on contraception, and banned embrionic stem cell research to pander to Christian fascists in his party. You can just Google the various scandals around the FDA. No shortage of corrupt and incompetent leaders, nevermind instances when a president would leave the office vacant indefinitely to obstruct its functions.