They created the "math" behind closed-doors. The methodology behind these technologies is not fully disclosed. Sure, the technology is open but not the process it took to create it which can make all the difference.
What exactly are you implying about the process and why is that relevant? Whether Newton derived calculus on the toilet or while sitting under an apple tree or had a 'process' of drinking a cup of water every 30 minutes is irrelevant to the mathematical proof.
This,
Also, why is this in economy/speculation/ ?
I wouldn't expect an intelligent answer to technical question in this sub.