A single Instagram post by transgender influencer Dylan Mulvaney in April 2023 triggered a conservative boycott that dethroned Bud Light as America's best-selling beer after a 20-year reign — and sales had still not recovered two years later.

On April 1, 2023, Mulvaney posted a short video promoting Bud Light during March Madness, showing off a personalized can the brand had sent her to mark her '365 days of girlhood.' The post was part of a broader campaign to reverse Bud Light's long sales decline and attract younger drinkers. Instead, it detonated a culture-war explosion. Singer Kid Rock filmed himself shooting cases of Bud Light with a rifle; Republican lawmakers and conservative commentators called for a boycott; and the brand became the defining corporate battleground of 2023's anti-'woke' backlash.

The financial damage was swift and severe. Bud Light's sales fell between 11% and 26% in the month after the post, Anheuser-Busch's U.S. revenue dropped 10.5% in the second quarter, and AB InBev's stock fell roughly 20%, earning a 'bear stock' label from Forbes and a downgrade from HSBC. In May 2023, Bud Light lost its status as America's top-selling beer to Modelo Especial — a crown it had held for more than two decades. The company shook up its marketing leadership, laid off about 2% of its U.S. workforce, and poured money into patriotic-themed advertising to win back its core drinkers.

The company's response satisfied no one. CEO Michel Doukeris downplayed the partnership as 'one post, not a campaign,' while Mulvaney said Anheuser-Busch never reached out to support her through the transphobic harassment she endured — drawing criticism from the left as well. According to former AB InBev executive Anson Frericks, by February 2025 Bud Light's sales remained roughly 40% below pre-boycott levels.

The episode has become the textbook case study of modern brand crisis management: how a low-cost influencer post can ignite a political firestorm, how a company can alienate both sides by trying to please everyone, and how quickly decades of brand equity can evaporate. Marketing professors now teach it alongside New Coke — except this time, the damage appears permanent, and the lesson is less about taste than about the impossibility of staying neutral in America's culture wars. The episode is now taught in marketing courses alongside New Coke — except analysts note that Bud Light's damage appears structural rather than temporary, with no clear path back to its former dominance.