I wasn't commenting on the threads theory, proof or dis-proof. Your:
Stop overthinking things and try common sense.
Was an attempt to halt the conversation, that's what I was replying against. (if that wasn't your intentions, then I misinterpreted, been wrong before) Your first comment about the cgi use is valid and provides an against idea. Now if someone can check the credits for that scene figure out the animator and send them an e-mail...