If you keep trying to point something out and no one gets it, maybe the thing you are trying to point out is false? The subjects of the article are converting

If you keep trying to point something out and no one gets it, maybe the thing you are trying to point out is false? The subjects of the article are converting USD into bitcoin in the hope that one day in the future their bitcoin is worth more than it is today. What else would you call that but "investing", and "speculating" at that?