I think the surgical tools are to remove his chip. I think they are ing their own personality through cold harbor. Each of their tempers is a bin. Their “twin” is their AI version. Everything in the town is named after an Eagan, they are creating their own “perfect world”.

I think the man is yellow is the boy in white. They have already shown us he can age. He has “grown up” several years since the show began. He is also becoming less helpful. He told victor he tried to help Christopher, but he messed it up. He seems to be becoming indignant, frustrated with the residents.