If a huge coal power plant goes next door and sets up a cute little boutique collection of five solar panels, have your basic feelings about that giant coal power plant changed? Probably not. After all, you're reading Grist. But what if said coal company releases advertisements announcing that they've "gone solar," complete with misleading close-up pics of those cute solar panels? Enough people might fall for it to make the ads worthwhile. Call it the cute little dollhouse effect: a nasty company builds a cute, green dollhouse version of their house, takes misleading pics suggesting that the dollhouse is …