Baloney.
If a Chinese company is going to reverse engineer a computer, or a Mercedes, (or a nuke) are you telling me that they won't have to use science and engineering to accomplish their task?
Of course not.
"It can't be tested", is like saying that the fields of cryptography, archeology, forensics, etc "can't be tested".
All of these areas involve the study of the workings of an intelligence on matter.
Your statement is incorrect.
It's interesting that the Discovery Institute disagrees with you.