Is Big Tech's AI Gamble Starting to Look Riskier?

The Washington Post looks at giant tech companies "feeding every available dollar into the cash-incinerating maw of AI machines." They warn "Tech superstars that once had oodles of cash left over at the end of each year are now flipping into the red..."
[While optimists expect] huge corporate profits and a society-wide boost to wealth and well-being...
questions about that AI vision are now growing more urgent: When, if ever, will this payoff arrive? And what will the fallout be for Americans if