We had the dot com crash around 2000. Tons of companies died, but plenty of that infrastructure was still used, we built better internet connections across the country etc, that was good later. But so many companies died like pets.com. The investors in those companies lost a lot - and also, a book company survived and became one of the most valuable companies and a tech leader - I'm talking about amazon.

So some of these companies will surivive but a ton will die or at the very least their investors will lose a lot of money.