Not necessarily, there are plenty of examples where earlier success did not lead to future success. A recent example that comes to mind is CloudKitchens? I could be wrong about CK, so happy to learn differently.
I am not sure why you're stipulating that there needs to be a threshold of minimal examples to present a contradictory pov, or why you need those counter examples to be greater in number. Most mammals don't have bills, but platypuses exist. Should we not describe a paltypus as a mammal simply because there are not enough examples of this type of animal? Or maybe I misunderstand your point.
