Short-seller Carson Block has a stark warning about the economic fallout of artificial intelligence: if AI wipes out enough jobs, it could drag the stock market down with it.

According to reports from Business Insider and AOL, Block argued that sweeping job losses driven by AI could trigger a wave of withdrawals from the stock market. The logic is straightforward — people who lose their paychecks tend to pull money out of their investments to cover everyday costs. If that happens at scale, the selling pressure could push stock prices sharply lower.

Block, who is best known for betting against companies he believes are overvalued, also suggested the disruption could be severe enough to make government support unavoidable. He said the scale of AI-driven unemployment could turn some form of basic income — regular government checks to citizens — into a necessity rather than a fringe policy idea.

The two sources covering Block's comments frame the same core claim: that the same technology investors are betting on to boost corporate profits could, by hollowing out the workforce, undermine the very market enthusiasm fueling those bets.

It's worth noting that Block is a short-seller, meaning he profits when prices fall, so his outlook naturally leans bearish. The reports do not include specific figures, timelines, or named companies tied to his prediction.

Why it matters: Block's warning reframes AI not just as a workplace disruption but as a potential threat to the financial markets and the social safety net, raising questions that reach far beyond Wall Street.