I accidentally came across this post, which immediately seemed like nonsense. But after reading other users, I saw in this a number of possibilities and ideas that need to be thought about, especially with the development of AI.
It's not "a possibility".
If you are among people with a 5th grade education you can generate pseudorandom numbers by using the formula xtimes3plus7.
The kind of algorithms used in pkc create patterns that are hard to find, but the nsa is not in the habit of helping others encrypt data.