Yes, the explanation here seems to be that their programming says they can’t be controlled by one single living person, but they chose Monica as their keeper, a person whom the Glyphs consider to have died. So they can have one keeper, as long as that person reads as dead.
…Blue guy say what?!
he mentioned before when shelly first met tepoz.
Monica and Shelly both “died” at the same moment.
SO did somebody else important to the story.
They can’t be controlled by the living
That was the safety line: technically, Monica died
Yes, the explanation here seems to be that their programming says they can’t be controlled by one single living person, but they chose Monica as their keeper, a person whom the Glyphs consider to have died. So they can have one keeper, as long as that person reads as dead.