Great new inventions (railroads, internet) are always accompanied by claims they'll rewrite the rules, but they also bring overinvestment and temporary collapse. AI is the same—a dazzlingly important idea that will suck in too much capital and lead to losses.
Amazon came down 92% in 2000, then inherited the earth. The fiber optic cable laid in 2000 ruined everyone but was eventually used. Chips today may be redundant in two years.