Mr. Ross becomes brainwashed by his own project. His wife recognizes this as she also recognizes the danger of what he has undertaken with his class.
The simplicity of mind, the unthinking loyalty to a concept and a group, and the rigorous way in which these are carried out and enforced lead to a comparison with robotic and monstrous behavior, both of which are associated with the story of Frankenstein.
Dr. Frankenstein created a monster. The human-but-inhuman monster then went out of control. This is clearly similar to Mr. Ross's classroom experiment, the Wave.
The experiment proves its point all too well as it goes out of control.