The old adage never to invest more than you can afford to lose in Crypto has never been truer.
With bitcoin you never possess more than a few numbers and those numbers are only ever worth what someone is prepared to pay for them. You can't weigh them in for scrap or even use them as a doorstop.
The dot com bubble did break lots of people. Amazon lost 90% of its peak price when the bubble burst but today its shares trade at more than 70 times times that peak. Lots of other Dot Com company's are also now worth 100 times plus what their peak price was prior to the Dot Com crash.
Crypto will survive and grow. the question is which coins are the good investments and which ones will become worthless.
For now my money is on Bitcoin, maybe it will change in the future and I will change my investment at that point but with the amount of institutional money going into bitcoin now, this would be a very bad time to sell.
You clearly forget that for every successful dotcom company like Amazon there was thousands which went bankrupt and never recovered