reminds me of the analogy with the development of the wing in nature. how do you get from nothing to flight?
the most likely answer: in gradual, sometimes unrelated increments.
birds have feathers and feathers are an important component of flight. but feathers were developed in dinosaurs, possibly for heat regulation.
arms and hands/feet developed to favour certain sorts of articulation, but these forms may have graduated amongst reptiles in the forest canopy with the development of taut skin along the arm and connected to the torso - that turned out to have a use in gliding.
and so, gradually, these reptiles with feathers and the ability to glide adapted into the birds we see today.
evolution occurs along a continuum. it has a starting point in pre-existing nature and the intermediate features all have a use, even if they weren't the eventual one.
this is the reason for my own ancient suggestion that wave should provide a pathway for incremental change towards tc. evolution is a more powerful and frequently used and successful model than paradigm change. or intelligent design, if you will.
so i kinda agree with your friend. although maybe wave had no choice as it had no role in the industry to begin with.
the sorts of question i might ask concern obstructions. is the leap too big? is the price too great and how does it compare with the cost of insurance? is the value of tc non-obvious? is tc useful to you before such time as it exists in all devices? these sorts of things.
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