The tags don't bind the zombies to Kabuto's will. When they're summoned, despite knowing full well what they're going to do, the bodies will fight whoever they were summoned to fight. This is evidenced when Oro summoned the 1st and 2nd. They were fully aware that they would be fighting the 3rd regardless of how they felt. The tags only served to strip away any lingering emotions while they fought with the 3rd.
Originally Posted by paulbee