Comment by blueblimp

This is way better than the open letter. It's much clearer and much more concise, and, maybe most importantly, it simply raises awareness rather than advocating for any particular solution. The goal appears to have been to make a statement that's non-obvious (to society at large) yet also can achieve agreement among many AI notables. (Not every AI notable agrees though--for example, LeCun did not sign, and I expect that he disagrees.)