It's the dealers. Tesla knew dealers would just muck things up because longer lasting cars and less maintenance is not in the interest of the dealers.
http://www.greencarreports.com/news/1093781_dont-be-fooled-only-three-electric-cars-are-sold-nationwide-todayEDITOR'S NOTE: This article was originally published on August 11, 2014, when modern electric cars had been on the market just three and a half years. Three years later, confusion among buyers still exists as to what vehicles are available where. We have updated the article accordingly.