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May be in some way it is so. But I think that it is not bad that Bitcoin has broaden its' purpose. It is good that people consider Bitcoin as a valuable perspective asset, that is used not only different transactions but like the asset that may give you profit some day. And ideas transform very often. This transformation is for the best I think.
Well said. Also, I think it depends on the person on how he/she will view or use bitcoin. Yes, bitcoin might be created for peer-to-peer transactions but that doesn't remove the possibility of it being used in a different way like an investment. Additionally, I think it's better to think of it as an evolution of its usage or purpose rather than think of it as losing its original sense. After all, change is the only permanent thing in this world.