I have argued that the slippery slope of paternalism is real, and we are sliding down it. Defenders of paternalism argue there is no slippery slope because a) where would we fall from here? and b) why haven’t we begun sliding yet? I rush to point out paternalism that targets sugar and salt, and the defenders argue “Well, that’s just good policy. Let me know when we’ve actually started sliding down the slippery slope”. What happens is paternalists are forever moving the goalposts, and declaring the newest ban or tax just reasonable policy. Their burden of proof demands that that we slide two, three, or four steps down the slope at once instead of one step at at time, since the one step we’re taking now is just reasonable. We’re always seemingly at the bottom of the slope, and things aren’t so bad from here are they?

Well folks, we’ve reached a new slope bottom: San Francisco has banned the McDonalds Happy Meal.

Since paternalism defenders will surely claim this is “just reasonable policy, and if there is a slippery slope then where could we possibly slide to next?”, let me repeat what I wrote awhile ago:

I think it would be useful to for critics of the slippery slope theory of paternalism to demarcate now what future policies would constitute evidence that they are wrong, because my guess is the point of demarcation will move right along down the slope with policy. Several years ago many of todays critics of slippery slope theory would have said that an attempt to regulate salt would constitute evidence. But now, farther down the slope, salt regulation is just sensible policy.

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