Paul Graham Is Wrong: Or Where to Find the Best “Bad Idea”
medium.comWhat are some examples of startups that failed because the idea was indeed "too-good-to-be-true"?
If you expand your question to, "what are some examples of startups that haven't [yet] succeeded because their premise is too good to be true", you get lots:
fusion
household robots
molecular nanotech
strong AI
world peace
elimination of poverty
Small plug: my side project's vision is in that category, I think (AutoMicroFarm). But I'm working hard to merge the current reality of the prototype with the vision.