People have been aware of a purported link between mobile phones and brain cancer for some time now. The easy argument is that mobile phones have been around since 1988 and there's been no tidal wave of tumours, so 'case closed'. But not enough people had mobile phones in 1988 to make any assessment on population risk.
Ticks and Stars are perceived as "rewards" and people interpret them as being "healthy". Why not just get rid of this system altogether? It detracts from the real message, which is that people should be eating whole, fresh, unprocessed foods.