Nah, Taylor was never meant to be the architect. He is just not that sort of writer. He always writes elseworlds or pretty standalone solo series. Beast World was an arc of Titans that was upped to be an event.
The architect was meant to be Williamson imo. I suspect House of Brainiac and Absolute Power were originally meant to be the same event. Early Dawn of DC promotional images had Brainiac all over them and now we know The Light is just
spoilers:
the multiversal Brainiacs |
end of spoilers.
I think either the event got too big and Williamson just wanted to do the Brainiac stuff or DC wanted to close off Dawn of DC with something more linewide than a Superman event, so they split the events and added Failsafe to the mix.