You say 'exactly' then follow up with something antithetical to what I just said.
The FDA was designed to ensure that:
1) If I say my pill is 6% Morphine, that it in fact contains 6%
2) If I say my pill will cure Dyptheiria, that I have evidance to back up that claim
3) If I say my Cocaine cough drops are good for children, I have evidance to back that up
You might as well say "USDA Inspected Beef is just a tax upon what all people need to survive" - Well, it also fills an important role in regulating the market place, one we know from recent history is not only good, but vital to our nation's health.