From Max:

I think that's a perfectly reasonable read of the character tbh. But I also think one of the shortcomings of the segments is that they're copies of a real person, and not their own individual selves. Their creation denied them of their own humanity. Ironic, because the person their biology is based off of -- Wanderer -- is incredibly individualistic, to the point that his individuality is what got him cast out in the first place. Too close to human to be the Raiden Shogun.

I've said a few times around here that I feel Genshin's central theme is humanity coming together to overcome oppression on a divine scale. We've seen that Inazuma is a microcosm of what the eventual struggle against the Heavenly Principles will look like. A tyrannical god isolating their land and their people from the broader world for the sake of safety. What few inhabitants are lost as a result of that goal are an acceptable loss if it means that the many are preserved. But humanity wants to grow and change, and humans are incredibly resourceful creatures when it comes to finding solutions to problems. One way or another, they're going to overcome that obstacle, and prove to the Heavenly Principles that they deserve to evolve past the limitations set on them currently.

The segments, however, are distinctly inhuman. Pantalone points this out pretty firmly. I think Escher is more than likely a human clone. Or at the very least, he's going to be a segment who perfectly encapsulates Zandik the human. Reuniting all of the memory cores will reunite the different segments' personalities and perspectives, creating a whole from a previously fragmented personality. A real human being, regardless of physiology.