Why do people keep talking about the Odyssey mission coming back? Didn't it fail?
Wouldn't it be interesting to find out that instead of the Odysseys being lost, its fate was faked and the inhabitants thought that instead of the oneway trip to a another planet, they decide to come back home.
Maybe Ted was steered towards destroying APOLLO by other rich fucks, suggesting perhaps that it should be the select few who should posses the knowledge and technology of the past. So Ted deletes APOLLO and Odysseys just coasts back to orbit after the end of the world, waiting for ZD to do its thing and then dividing the world between the select few. Taking over the primitive peasants should be an easy job with the technology and knowledge available to them.
So they would be the origin of the signal that screws everything up. Why corrupt HADES and risk it wiping life out again? Maybe their plan was that HADES would react like it did, forcing GAIA to act like it did, taking them both out of the picture.
Why take out GAIA? Because she basicly has the robotic animal kingdom at her command and having been influenced heavily by Elisabet, would not react kindly to a plan like that most likely. So she would have to be dealt with.
Why corrupt HADES to take GAIA out then? Because HADES was designed to take control away from GAIA in order to reset the planet. By forcing HADES to start its job despite the planet not needing a reset, it would force GAIA's hand because the system was designed so that HADES had to give control back to GAIA in the end. That would leave the destruction of both as GAIA's only option. That would leave other sub-routines either inactive or to their current states.
HADES getting out the burning building, so to speak, probably wasn't their plan or other sub-routines going out of control. The idea might have been that once HADES and GAIA were out of the picture, they could just swoop in and take control of the rest.
After that, divide the land, enslave the primitive peasants, become "all powerful" kings and queens of the restored earth because of the technology and knowledge that they posses, keeping the peasants in the dark. Just like good old times.