JeffG:
It may be something of a regional thing or something. I know you're in California, where people are more sensitive to energy and green issues. Here where I am (Atlanta area), an awful lot of people continue to party like it's 1972. I have neighbours on this street who own four cars between the two of them, they watered nightly all through several years of drought and a total watering ban, they have a huge pool nobody uses except to sit beside with a drinkie-poo in the evenings. You go in their house and it's 70 degrees inside. Any long holiday weekend is spent jetting to Vegas for a few days of gambling. They don't care at all, they have the money to get away with not caring, and they're not atypical around here. They pride themselves on stuff like their evasion of the watering ban; they think they're clever because they set the sprinkler system's timer for 3 am, when no one was likely to be around to see them flout the ban (I am ashamed to say that I did not rat them out, but in my defence, they are armed and not shy about saying so, especially when they're a little tipsy, which is a lot of the time).
You got so-called tree-huggers, we got Neanderthals with high credit limits. I guess it evens out somewhere in the middle.