For decades he build a belief system where high intelligence is basically magic. That is needed to power his fears of AGI turning everything into paperclips, and it has become such a load bearing belief (one of the reasons for it is is a fear of death and grief over people he lost so not totally weird) that he has other assumptions added to this, for example we know that computers are pretty limited by matter esp the higher end ones need all kinds of metals which must be mined etc today. So that is why he switches his fears to biology, as biology is ‘cheap’ ‘easy’ and ‘everywhere’. The patterns in his reasoning are not that hard to grok. That is also why he thinks LLMs (which clearly are now at the start of their development not the end, it is like the early internet! (personally I think we are mostly at the end and we will just see a few relatively minor improvents but no big revolutionary leap)) will lead to AGI, on some level he needs this.

Men will nuke datacenters before going to therapy for grief and their mid life crisis.