Before their disposal, he was very proud of them, and cared. once he went mad, he began his idea of his reploid only nation, and revived his creations so that they would do his bidding.
Plus, they KNOW he is up to no good. but they follow him, in many cases, because he revived them. Turtloid himself states that he has been given a second chance at lie, and therefore must follow his master's wishes. He goes so far as to offer his own life to X, since he knows that what he is doing is wrong, but can not dishonor his debt.
Sheldon as well. he failed his duty as a bodyguard, and he has been given a second chance at life, and will redeem himself to Gate.
then there Heatnix, who doesnt really give a [parasitic bomb], and in fact, it works out for him, since from the start he was all for getting rid of weak reploids.
Scravich is a cowardly theif, whom Gate has encouraged to continue stealing. the rest for the most part, were never good at following rules, and a few were snobby. after being revived, they will follow Gate if only because they agree with him, since he is their master.