Legendary investor Warren Buffett once dubbed Michael Burry, famous for predicting the 2008 housing crisis, as 'Cassandra' for his accurate but initially ignored warnings. Now, Burry is sounding the alarm on a potential AI bubble, citing massive tech spending and rising debt. He sees parallels to the Dotcom crash, suggesting current market optimism might be detached from economic reality, leading him to place bearish bets on several major companies.