Major issue is that idaten have a weird apathy and indecisiveness when it comes to resolving human conflicts. Even Gil who was formed with the core purpose to protect is aimless and struggles to intervene and is unable to pick a side in a conflict with a clear aggressor. This entire phenomena...
Isn't this a plot hole?
Saya is surprised that transferring a consciousness into a robotic body is possible, when she met that movie freak in chapter 3, who had done exactly that.
There is an art and tradition to old mechanical watches. Any digital clock is in all ways superior, but the old clocks are art-pieces and celebrations of mechanical engineering.