A 193-seat theatre in Barcelona discovered the limits of platform advertising when Meta's automated system blocked its Instagram and Facebook ads for a one-woman stage adaptation of Virginia Woolf's A Room of One's Own. The reason: the content mentioned feminism, civil rights, and social reform — topics central to a work first published in 1929. Meta's explanation to the Teatre Raval was bracingly mechanical. The company confirmed that "any mention of civil rights, feminism or social reform" triggers automatic classification as "social topics" and gets filtered from paid promotion. The recommended solution was not an appeal process or human review but keyword removal — strip the language that describes what the work actually is, and the ad can run. The production itself is an adaptation of lectures Virginia Woolf delivered in 1928 at Newnham and Girton colleges — the only two Cambridge institutions that admitted women at the time. Women studied at Cambridge from 1869 but could not graduate with a degree until 1948. The essay argued that women need financial independence and physical space to produce serious fiction. Woolf herself expected to be attacked as a feminist for writing it. Nearly a century later, the word still triggers automated suppression. Clara Sanchis, the show's star, put the structural problem precisely: "We don't know if the publicity has been rejected because of the name of Virginia Woolf or because of the word feminism, or both." The ambiguity is the point. Automated classification systems do not distinguish between political campaigning and cultural heritage — they process keywords. The theatre's statement framed the situation as an access problem, not a political one: "As a theatre we have to publicise our activities … and we have to make use of social media so that people are aware of cultural activities." For a newly reopened venue with fewer than 200 seats, Meta's ad platform is not optional infrastructure — it is the primary discovery mechanism for small cultural institutions. This is not a content removal story. The play can still be discussed organically on both platforms. What was blocked is paid amplification — the mechanism by which small venues compete for attention against algorithmically favored content. The effect is asymmetric: large institutions with established audiences and press coverage lose a convenience; small venues lose their primary channel. Sanchis described the dynamic plainly: "We have given social media unlimited power and every day we can see how dangerous this is. It's bias and manipulation." The stronger read is simpler: Meta built a keyword filter to comply with political advertising regulations across dozens of jurisdictions. The filter cannot distinguish a 1929 feminist essay from a 2025 campaign ad. The company has no economic incentive to build that distinction for a 193-seat theatre in Barcelona.