I'll make a general suggestion to those crying out for evidence from the NSO.
The problem you are experiencing with their cooperation only stems from your lack of compelling arguments. Why should they give you evidence? They do not care about your opinion, as has been stated numerous times. If you really require the evidence, you must make it profitable for them to give it to you.
The usual method employed is more guns. In this example, either they give you the evidence or you use more guns than they have to make things uncomfortable for them. They profit from compliance.
You may also have the option of trade sanctions, if you have a senator available. In this example, either they give you the evidence or you use trade sanctions to make things uncomfortable for them. Again, they profit from compliance.
What you're doing:
Whining on the big boards. In this example, either they give you the evidence or you keep whining and don't really make things uncomfortable for anyone. They profit from keeping your tears flowing.
Good luck.