Pfft whatever the fact is he could not he is too powerful he would like have to bring him back with 0% power to do that Madara could not have been controlled because Hashirama already proved that he and those on par with him (Madara) can break control not even Oro could control Hashi the second time around he did in the first part because he only brought them back will little power and had already wiped heir personalities but next time Hashi broke it. Kabuto could not do that to Madara because he already brought him back at full power and if he did try Madara would have wiped him off the earth in a mater of seconds
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Face the facts Kabuto bows in front of the power of the Lawds