There are just two ways it could happen though.
1, If someone invents something much better at solving the same problems as crypto tech,
Cryptocurrency market will crash because "crypto tech" is not solving anything - most altcoins and tokens are just vaporware and scams, those that have working networks are miles away from delivering on their promises, which they won't do, because they are unrealistic and developers are not competent enough. Bitcoin is different because it actually has developers who believe in the project and have the skills to keep on improving the protocol year after year. The market will crash when the speculative period will be over, because big investors won't see any fundamentals that can lead to success, only empty promises and hype.
It has likely already crashed. Hell, it has crashed as far and deep as crashes can reach. But it doesn't mean that "crypto tech", where bitcoin truly belongs to, is not solving anything. If it weren't, we wouldn't have bitcoin prices of over 6k dollars per coin after almost 10 years of evolution. I agree that you can have a "tulipomania" for some time at certain prices, but definitely not for so long and at such prices. If you come to disagree with this point, you are simply in denial. Exactly one year ago 1 bitcoin cost around $2k, now it costs 3 times as much. Honestly, I don't know how you can have this if "crypto tech" was not solving anything as you claim.