There is no essential difference from identical twins.
The key to the film is to have memory, scan and copy.
Think of the man who begged the protagonist to shoot his brain.
Under memory scanning and copying, people have no privacy at all.
Not only that, under the memory scanning and copying, who can guarantee that your memory is not a fake memory?
You like to eat chocolate, so if you have the memory of allergies and poisoning after eating chocolate many times, do you still dare to eat it?
Then your autonomous will is theoretically controlled by others.
In other words, memory scanning and copying provide the possibility for comprehensive thought control.
In addition, the villain is very weak, with a boss and four men killed by the protagonist more than twice. As a biological replication center, he is engaged in cloning technology, and actually uses fingerprint technology for access control.
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