Earlier quoted context omitted.
Alt account? What about the vaccine stuff presumably? He has a few books on the subject. Seems scholarly and scientific in conversation with Joe Rogan and others. https://www.thriftbooks.com/a/robert-f-kennedy-jr/3558232/
He has continued pushing long disproven stuff like the MMR autism link. That alone is sufficient to consider him a nutter. And given the size of his platform he is a wildly dangerous one causing immense harm.
These are complex issues, yet your language speaks of authoritative dismissal, and a reductive binary stance. Such oversimplification is hard to argue as credible.
The "appeal to harm" could equally be made in the opposite direction, but the speed at which you go to it only compounds the "without merit" signaling of your reductive simplifications.