All the conflict of interest stuff is just a giant smokescreen. Kennedy is anti-Vaccine, he might sometimes pretend to not be againt vaccines but that is just misdirection. He's going to sow doubt about vaccines, he already removed vaccines from recommendations against all scientific evidence and will make new vaccines (and even adapted versions of existing vaccines) much harder if not impossible to approve.
Well, I think that's basically RFK's fundamental belief: people who have certain lifestyles are significantly more immune to a wide range of diseases, and that we should focus resources on improving lifestyle rather than investing it in expensive medical treatments.
For all we know, RFK and his kids got sick but just didn't tell anybody.
I just expect a confused approach, as he doesn't seem to know how to handle the industry push back. He's talked about banning food dyes repeatedly, but then only pushed for phasing out rarely used ones, and then started talking about authorizing new "natural" ones.