PartSkeptic
Illuminator
So what? Most businesses fail in their first year operation. The extreme examples that you cherry picked failed because ultimately they were based on contracts that would become unfulfillable. In the case of the tulip mania the problem was offering massive amounts of money for tulips that hadn't been grown yet. In the case of the company stocks that you cherry picked, the company couldn't match the hype and so failed.
Bitcoin is neither a business nor a contract. It is like stamp collecting. You either buy it, sell it or do neither. Those invested in bitcoin are not going to ditch them any more than stamp collectors will burn their stamps.
The tulips could have been delivered. The people did not want an expensive tulip. They wanted someone to buy the tulip. First, at a higher price, then as it crashed, at any price. If one paid the equivalent of 10 years salary for a single tulip, and then suddenly found no-one would buy at any price, why bother taking delivery?
Stamps and art increase in value and have done so for decades, if not centuries. The increase is steady and reasonably reliable. One does not have to sell a rare stamp but put it on show for guests. Or just look at it in private in amazement with satisfaction at the value one got for the money paid.
When bitcoin drops to one cent per coin, and stays there, what does one do then? Tell one's grandchildren a story of being caught in the bitcoin bubble?
If one invests in a start-up company one assesses the risks and checks the business plan. Astute investing can be very rewarding on an ongoing basis. The underlying fundamentals are well understood, as are the risks.
The risk with bitcoin is that if it continues to fall people will not buy. If people do not buy the demand falls off. With falling demand come ever larger drops in price. Might as well buy two pizza and brag about the most expensive pizza one ever bought. Oh I forgot. With falling value and interest will come fewer businesses willing to transact.