Conjecture

Suleyman draws red lines where we draw a ladder: "capabilities like recursive self-improvement and autonomy are, I think, boundaries we should not cross", because "the more a technology by design requires human intervention, the less chance there is of losing control". Our tiers unlock autonomy in steps as correction is shown to work. For self-improvement specifically his line may be right, since it is the capability most likely to jump a tier faster than correction can follow.

Institutional design