Tuesday, September 29, 2026

TDS Watch: Scott Galloway calls Trump a “stain,” admits TDS cost him 40% of his stocks

You know the syndrome has hopped the rails when a tenured NYU marketing professor calls the sitting president “a f---ing idiot and a stain on the American experience” — then, in the same breath, admits the last time he let Trump feelings run his brokerage account it cost him roughly 40% of his liquid stock net worth.

What was said

On the Monday Office Hours edition of The Prof G Pod (aired for the Sep 28–29 cycle; covered by Fox News on Tuesday, Sep 29, 2026), NYU Stern marketing professor and media regular Scott Galloway took a listener question about whether the American economy feels like a “ticking time bomb.” Fair game to talk valuations, diversification, don’t-time-the-market. Galloway went somewhere else — and then confessed the receipt.

Exact words, as reported by Fox News Digital from the podcast:

“I think the president is a f---ing idiot and a stain on the American experience and that the grand sum of all of these head up your a-- economic and foreign policy decisions will eventually crash this economy or result in long-term structural damage that will take decades if not generations to repair.”

Then the self-diagnosis, same monologue:

“So when he was elected in 2016, I sold all my stocks. That was stupid. The market ripped for the next year. There was so much insecurity about him actually winning that the fear had been priced in. Stocks ripped up.”

“So you could argue, at least notionally, that decision cost me 40% of my liquid net worth in stocks.”

And the label he put on it himself:

“Probably my biggest investment mistake was the emotional reaction I had to the 2016 election of Donald Trump.”

Sources: Fox News Digital, Sep 29, 2026 · Prof G Pod / Office Hours transcript

Context (not spin)

Galloway is not a random reply guy. He’s a tenured professor, a bestselling business author, and a podcast host who tells other people how to think about money. On that same show he correctly notes that trying to guess market tops is dangerous and that most of the economy “just grinds on” regardless of who is tweeting. Good advice. Then he immediately models the opposite: vulgar personal abuse of the sitting president, a forecast of generational economic ruin, and a reminder that the last time he acted on the same feelings he paid a 40% tuition bill in foregone stock wealth plus New York capital-gains taxes.

You can dislike Trump’s economic policy. You can dislike his foreign policy. You can short the market if you want. Argue the data. Show the chart. What you don’t get — not if you want anybody outside the blue-check faculty lounge to take the “don’t let emotions drive the portfolio” lecture seriously — is to call the president a “stain on the American experience” while waving the receipt for the last time the syndrome emptied your account. That’s not analysis. That’s the ward with a Bloomberg terminal.

MOAM’s diagnosis

Severity: ACUTE.

When the same breath that says “don’t time politics with your brokerage” also says “f---ing idiot,” “stain on the American experience,” and “decades if not generations to repair” — and the speaker already admitted the 2016 version of that feeling cost him 40% — we are past spicy punditry and into clinical territory. Markets can be frothy. Presidents can be wrong. Neither requires a tenured brand to torch his own “stay invested” sermon with a bathroom-wall insult and a prophecy of national decline. Down here in Marblehead we still know the difference between a risk warning and a temper tantrum with a ticker symbol. Save the portfolio lecture for the portfolio. Save the name-calling for the group chat.

MOAM Out.

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