I think what he is describing wont' literally happen. His concern is that heuristically short sighted and superficial alignment methods hide inner misalignment

I think what he is describing wont' literally happen. His concern is that heuristically short sighted and superficial alignment methods hide inner misalignment in AI systems. This isn't a perfect example of that issue manifesting into models that will be consequential in his concerns though, it's more of a pithy Tweet insight.