Yes, but it's not reasonable to assume that our armchair "how I would do it" theorizing is, in fact, how they would do it. We can assume that they have come up

Yes, but it's not reasonable to assume that our armchair "how I would do it" theorizing is, in fact, how they would do it. We can assume that they have come up with the idea, but maybe they discarded it for reasons that aren't obvious to us.