https://www.cdc.gov/vaccines/vpd/hpv/hcp/recommendations.htm...
It's a level of evidence that's generated (usually) prior to ACIP, and it is presented to them, while there is not necessarily a bright line threshold.
There used to be fears of "death panels" controlling access to medical care when Clinton tried to propose universal health care.
The CDC and FDA are about safety, not cost management. And they get significant complaints about how much they regulate pharma and are impediments to pharma for that!
Now the conspiracy theorists of the other side seem to be having their day in the public mind.
That was, for example, why boys were originally not part of the recommendation for the HPV vaccine. It would double to cost, while doing very little to prevent cervical cancer via indirect protection. Once the evidence accumulated that it was associated with other cancers, that stopped being true.
Similar logic applied to older women and men.
thinking that they are conspiracy theories? that's a conspiracy theorist.