Id have to then look more at the Exo cards to learn more about them and the awoken. In the Awoken card its said that Awoken are born in the collapse escaping its wrath. The logical explanation is this most recent collapse even if there is evidence of collapses at other times in space and reality. So making the assumption that this was a different human time is a generality not necessarily supported. Also in the first awoken ghost fragment somebody is exploring wrecked ships presumably near the reef. This logically hints to the ship crashing in there time changing them into the awoken however that happened we dont know. You could say that the Traveler brought the reef and awoken with him and they actually did escape a collapse in another alternate human universe but thats not supported just a generalization. the second one doesnt really point to your or my argument so its useless. the Two exo cards i have dont say whether or not the exos are perhaps from another time brought by the traveler but they dont say they arent either. Im not saying your theory doesnt have some facts just a lot of generalizations. Also the cabal are stated in the grimoire cards to be running from something. If they were brought from another time in space by the traveler wouldnt they think they got away from whatever they are ruled by and fear? As for the vex how would humans create them in such a way that they all share one mind? That would seem hard for an original human race to do. Your theory is fun. I just think other theories may have a little more concrete support and less assumption.