I think most users are involved in Bitcoin not because they belief in the technology, but because they hope the price will go thru the roof. So let us say the price would be at $900 for the next 50 years.
Would you still use and buy Bitcoin or would you leave?
EDIT: Poll added!
I'm not one of them

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18 years ago my father told me that someday robotic/automation/machine will help people earn money, it's time when people use robotic/automation/machine to work for human(passive) not robotic/automation/machine operated by human(active), and i believe it. Although bitcoin price will be at $900 for next $50 years, i will use it