It’s hard for me to respect a Safety org so obviously wrong about the most important factors of their chosen topic.
I won’t judge a random celebrity for expecting e.g. very long timelines but an org like this? I’m sure they are very cool people but come on.
There’s a minor error in the formula giving the cross entropy: you need a minus sign on the RHS so that it reads E[- log P[X|M_2] | M_2]
The preceding text is “Of course, we could be wrong about the distribution—we could use a code optimized for a model M2 which is different from the “true” model M1. In this case, the average number of bits used will be”