In fact, some of the "scientists" developing AI admit that they no longer understand it. It's called the "black-box problem or effect."
In other words, humans write the initial code--just enough to get the deep learning process started. And then the AI begins to program itself as it starts consuming data and starts to "learn."
“Legislators don’t know what AI is.”
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They don’t pass legislation on the basis of knowledge. They pass it on the basis of politics.
Few actually bother to read it.