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I think the key fallacies are
1. "post hoc ergo propter hoc" (after the campaign there was a rise in eye-damage, therefore because of the campaign) and
2. false dilemma, e.g., you must choose expensive glasses or no glasses at all.
I've seen a real-life study like this indicating that wearing cheap glasses reduced squinting without reducing glare, thereby causing eye-damage. So a better alternative to no glasses at all might be cheap glasses plus squinting.
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