And your expertise to make such a definitive statement?
In this case the only thing you need to do is pay attention and use a little common sense. There are multiple reasons not to take these vaccines. Here is a big one. At Best it only has 10% effectiveness.
Something like this might give one pause...
https://www.cdc.gov/vaccines/vpd/polio/hcp/vaccine-derived-poliovirus-faq.html
Different virus, but how could the eggheads not have anticipated that might happen?