Yes they may be tame but if your denying something they would have had in the wild your giving it a lower quality of life instead of improving it. I don't feel bad about taking their freedom because in the wild they look for food, water, and a mate. The rest of the time they hide and are insecure most of the time. By keeping them in a proper envirnment with all their needs met plus the security they find in their viv and in your hand, then you are improving its quality of life. If you don't improve you animals quality of life then you have no business taking its freedom.