I don't understand this sentiment, why is organic so quickly associated why unscientific bullshit like anti-vaccine? Maybe it's specific to the US, but here in

I don't understand this sentiment, why is organic so quickly associated why unscientific bullshit like anti-vaccine? Maybe it's specific to the US, but here in France even if historically there is a lot of snake-oil products associated with "natural" things, organic is a strict regulated label, and apart for some products (like wine), does not cause much debate in the "scientific-minded" crowd (except for GMO) for environmental and health benefits.