The video in the post is very worth watching and is indeed scary. It is certainly true that it is in OpenAI's interest to publicize this, but I don't think the whole thing is invented. And seeing all this it is particularly scary if we think what will happen in organizations like NSA or similar in other countries. Presumably they happily adopt these techniques. And if you imagine a truly rogue state doing this, I can see an unimaginable damage happening very rapidly.