Night raids will be comparatively more successful than day action since at night the darkness acts as a cover and the movements difficult to discern. Further, it is advantageous to the US since they have highly sophisticated night vision and surveillance equipment, which the Taliban does not have. There is no doubt that it is disturbing for normal citizens to be disturbed at night. This aspect is played up and encouraged by the Taliban who have a hold over such villages which are attacked so that the American advantage in night operations is nullified. Since Karzai does not have a control over all of Afghanistan, he cannot but help it in raising such issues so as to appease the general population. He cannot be seen as a US stooge!