[spoiler]Well, Maya Sundaresh terrifies me.
She is scouring the Vex simulations to find the "perfect timeline", one which she can use to bring about a second Golden Age, and she is using various simulated versions of Chioma Esi to do it, interrogating them and terminating them when they don't meet the parameters of the "Primary Query".
It is a frightening contrast to Osiris and Saint-14. Saint-14 was suffering during this Episode because Maya had told him that he was "a false Saint-14". By the end of Act 2, we resolved that, because the differences between the Saint-14 we know, and the one whose body was interred in the Infinite Forest, don't matter anymore, since he has the memories of both.
On the other hand, as Osiris put it, the Chioma Esis that Maya is experimenting on are treated like "hearts weighed against a feather". While it is fitting that Osiris would say that, given his name is derived from Egyptian mythology. However, it very much speaks to the ruthlessness of Maya's measurements.
In Egyptian mythology, specifically the funerary text the Book of the Dead, a deceased person's heart would be weighed by Anubis on a scale and measured against a feather of Ma'at to determine their purity. If their hearts were heavier than the feather, they'd be devoured by Ammit and cease to exist.
In Maya's case, any Chioma Esi who deviates from the desired Primary Query results is expunged until she finds the "right one". Until she finds the right Golden Age.
On the other hand, I literally jumped in my chair when Maya openly stated Te'Qal's name in the recent radio transmission. It confirms the Echo is associated with his memory and those of the Qugu. She also addresses why she is giving the Vex individuality.
In her mind, -blam!- was the greatest weakness of the Witness, while Te'Qal's strength was individuality. On the other hand, she states what Te'Qal lacked in the past was power, which the Witness was not lacking, and professes herself to be in possession of both.
P.S. I think giving the Vex individuality is being expressed through the gameplay as well. I played through Encore on Expert, and I noticed the Independent Variable Minotaurs were aggressively hunting me and my fireteam members down, in a way I don't believe I've seen Minotaurs do before.
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[quote]There is no evidence to support the entire universe and setting being a simulation in Destiny 2, on the other hand.[/quote] Yet, there are people in-game and in lore that treat it as such. I also remember in my notes stating how to design the shape of free will...and seeing it in game as literals through the vex which are part of a reality engine.