Maybe you should ask Rand Paul why he sponsored the bill putting this in place?
https://www.paul.senate.gov/news/dr-pauls-bipartisan-fda-modernization-act-20-end-animal-testing-mandates-included-2022-year
“The FDA Modernization Act 2.0 will accelerate innovation and get safer, more effective drugs to market more quickly by cutting red tape that is not supported by current science, and I’m proud to have led the charge. The inclusion of this bipartisan effort is a step toward ending the needless suffering and death of animal test subjects – which I’m glad both Republicans and Democrats can agree needs to end,” said Dr. Paul.
And the link to the article in rams post https://www.npr.org/2023/01/12/1148529799/fda-animal-testing-pharmaceuticals-drug-development
