Yes, you are expecting way too much, too soon. You have a rehomed, adult, parent-raised, aviary-type bird while Michael's birds are human-imprinted, raised from babies by him, companion-type birds. You need to make the bird bond with you first so he won't want to fly away from you but, because your bird was raised by its parents instead of a human, he will never develop the deep bond of a hand-fed bird (it's impossible, the window of opportunity for this to happen came and went a long time ago). You are also dealing with a bird that doesn't love you, trust you or even know you yet because five weeks is nothing under the circumstances. He is also an aviary-type bird, not a companion-type one so, again, the bond, even if the bird had been hand-fed will never be the same as for a companion bird.
Having said that, it doesn't mean that you cannot have a good relationship with the bird, that he will not trust or even love you or that you will be unable to train it - it just means that you have to put much more work, more time, more patience and that you cannot expect the same kind of results that Michael got with his birds.
Now, if I were you, I would forget about training it or even moving him from one room to another until the bird feels 100% comfortable with you (he will want to be with you, fly to your shoulder and ride it while you move around, take treats from your hand without a problem, etc) because, given the parameters you have to deal with and the fact that your bird is clipped (the insecurity of not been able to get away from a predator is very stressing to birds), you want to establish a firm relationship of trust so the training doesn't backfire on you.