Surely this is just plain old thermodynamics? Normally I'd be irritated at this obvious glib objection, but we have to make a physicist allowance in this case

Surely this is just plain old thermodynamics? Normally I'd be irritated at this obvious glib objection, but we have to make a physicist allowance in this case :) The other one you hear all the time is, "But how can fructose be bad? It's in fruit." Gee, do you think he might have thought of that?