Have even most "celebrities" lost their enthusiasm for Earth Hour?

Earth Hour 2010: The sparse list of celebrity ambassadors

Celebrity Earth Hour ambassadors who are supporting the Earth Hour message include; Nobel Peace Prize winner Archbishop Desmond Tutu, Helen Clarke (former New Zealand Prime Minister), Lithuanian President Valdas Adamkus, The Cranberries, Andox and Box from Hong Kong, Mayor of London Boris Johnson, former Spice Girl Melanie Chisholm, and a panda named Mei Lan.

2009: Celebrities Send Messages Of Support For Earth Hour

Other celebrities who have shown their support for the initiative include Coldplay, Donny Osmond, Marie Osmond, Larry Flynt, Amy Grant, The Veronicas, Vince Gill, Cate Blanchett, Janeane Garofalo and Alanis Morissette.

[Some guy you've never heard of suggests that you watch "Desperate Housewives" during Earth Hour]: 'There is a point'

“Stop being a pussy and do it.”

That is film director Taika Waititi’s message to Kiwis who are still ‘um-ing and ah-ing’ about whether to participate in Earth Hour or not.

“It’s important, it’s not even a big deal, you may as well do it, it’s not a huge obligation,” he says.
...
“Some people say, ‘The bloody hippies are trying to stop me using electricity,' they think somebody is trying to take away their right to watch TV.

“Don’t worry too much. You’re still allowed to sneak away and watch Desperate Housewives.”