What is the reason why the villain doctor octopus lost control in the movie spider-man 2?

In the movie spider-man 2, the villain doctor octopus lost control because he was controlled by artificial intelligence. Doctor octopus was passively hacked, and artificial intelligence made by Dr. Alto controlled doctor octopus. The mechanical claw made by Dr. Otto has an external crystal that inhibits artificial intelligence. During the failure of nuclear fusion experiment, the suppressor was damaged, and artificial intelligence began to reshape Dr. Otto's personality, and then successfully controlled Dr. Otto and became doctor octopus.