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Seems to me there is an interesting tension here between wanting individual choice/freedom and wanting some "authority" to assure quality/authenticity/safety/etc. Tensions of this sort are, of course, not at all limited to the particular case at hand here.  They show up in lots of contexts, both in our discussions (eg human subjects, science education, etc) and in broader contexts (eg, health care legislation).  I wonder whether there is a general way to deal with this tension or whether it actually needs to be negotiated separately in each individual situation?