Tesla I used to to like you.
Bitcoin got here first, it's designed to be uncrackable, and it is very very young. Alternatives are all just knock offs, and as such, I do not believe Bitcoin will die so easily. Unlike the VHS, Bitcoin scales.
Perhaps once the last bitcoin is mined we will have some issues, perhapes sooner, but I think you're wrong on this one. (Edit: I could say the U.S. is going to collapse one day and not be a country anymore and be 100% correct but does that mean everyone in the U.S. should abandoned ship?)
It could be $0 one day, but then again, it could be $10,000
Anyways I expect it to last at least 10 years at minimum, but who knows. Satoshi is still out there right? If he ever creates "Bitcoin 2.0" I'll jump the boat for the founder.