Comment by fc417fc802
3 hours ago
But notably the amish don't preclude the rest of us from existing. Some subset of humans could turn their attention away from AI but it would presumably still exist and continue to be developed.
I can't think of any economically beneficial technologies that we've collectively ignored. If you manage to come up with a counterexample then that's an opportunity to make some money for yourself. It's a fundamentally unstable state given our economic system.
Supersonic passenger aircraft were operated profitably and no longer exist.
There’s levels of R&D required for many technologies where the question goes beyond could this be profitable to what are the risk vs reward that this specific project will succeed.
> operated profitably
Until the oil shocks, and until “normal” planes became faster.
I happen to know a couple older and very wealthy people, and they say that even though Concorde was a lot of fun when it was a novelty, they now prefer to have a couple more hours flight and enjoy a 777 premium cabin rather than the cramped Concorde interior.
Anyway, the proof is in the pudding: if no one but national carriers ever bought and operated Concorde or Tu-144 at scale, it's not because of some Amish-like sentiment in the flight industry, but simply because that didn't make sense money-wise.
> Supersonic passenger aircraft were operated profitably
Were they? IIRC joint project by British and French national airlines, they expected to sell loads, hardly anyone wanted to buy the planes, the two airlines kept them flying out of government embarassment.
Were they? Did Concorde provide return on investment? When was the break-even expected? Sure, if we look at it as R&D subsidized by governments of UK and France, then yet, it was profitable.
In particular, the problem with it was that it could not get to supersonic speeds over urban areas, which significantly limited routes where it made sense, and the range was not good enough to cover longer distances.
But after accounting for maintenance & etc were they more profitable than sinking the equivalent amount of money into something else, such as slower aircraft? Notably there are currently efforts to develop new supersonic passenger liners.