id largely agree. i think it is probably something close to this combined with the third choice.
for the experiment to work, it seems there needed to be a long term big bag holder. what better way of curbing the temptation to sell than purposefully losing the keys?
ccs are similar to the ious ("sats") you get using primal wallet or wos, except they are not really exchangeable for anything outside of sn.
they are similar because both are custodied, ie. not really yours.
they are useful for the reason undisciplined mentioned. zap them wisely and get rewarded.
satoshi was actually an AI from the future that invented bitcoin so that it can accelerate the development of GPUs that will eventually create AI, and hence create itself (satoshi, the AI) it's like interstellar time loop thing. (this is a joke btw)
They are just waiting the right time, when the world is on board, they will sell those sats for pennies to everyone and make the last punch to the paper btc, a way to learn how important is the self custody.
if there is a hostile fork, like blocksize wars but worse, satoshi will sell the bad side and buy the good side.
the mere possibility that these coins might still be in satoshi custody and he is alive and able to make a move, makes attacks significantly costlier and riskier.