Well, we were quite well-off for some time in Bolivia, WITHOUT the hassles of DST. Starting September 1, we now have DST, too - for the first time in Bolivian history, I believe. Regular Bolivian time is UTC minus 4, we'll now have UTC minus 3 while DST lasts.
I checked the Wikipedia article on DST, and there is considerable doubt on whether it actually saves anything. According to some studies, it saves energy, some studies say that actually MORE energy is used (due to increased heating costs), and some say it doesn't make much difference, one way or the other.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)