Consumerism is inextricably wedded to militarism. Consume a continent -- murder Indians. Consume fossil fuels -- murder Arabs.
As a yuppie, Obama understands this. That's why he and his supporters disparage hippie philosophy and indigenous spirituality.
Sacrifice and simplicity are not yuppie values; yuppies want to eat the whole planet while the rest of us starve. As a hippie, I take that as a personal affront.