Denmark's supreme court hears arguments Friday and Monday in a case that could dismantle the legal architecture of the country's "parallel societies" legislation — the rebranded successor to what was openly called the "ghetto law." Residents evicted from Nøjsomhed-Sydvej in Helsingør are asking the court a deceptively simple question: does the state's "non-western" classification map onto ethnicity under racial discrimination law? The government says it does not. Every international body that has examined the question says it does. The mechanics of the law are worth stating plainly. Housing associations in designated areas must cut not-for-profit housing stock by 40% by 2030 — through sale, demolition, or lease termination. Designation triggers when at least half of residents have a "non-western" background, combined with socioeconomic indicators like unemployment or crime rates. Areas with identical socioeconomic profiles but fewer "non-western" residents face no such requirements. The differential treatment is the entire point of the legal challenge. The European Court of Justice ruled in December that the legislation may be unlawful. The European Commission Against Racism and Intolerance reported last month that there has been "no positive change" in Denmark's use of the "non-western" category. The UN Committee on the Elimination of Racial Discrimination has called on Denmark to stop using the terms entirely. Denmark has ignored all three. More than 1,000 people have already been forced from their homes under the law, most prominently from Mjølnerparken in central Copenhagen. Those residents filed their own discrimination suit in 2020, but their case has stalled since the ECJ ruling. Their situation is structurally worse: their former homes have been sold. Even a legal victory may not restore what was taken. The Nøjsomhed-Sydvej case is narrower but potentially more consequential. If the supreme court rules that "non-western" background is linked to ethnic origin under discrimination law, the Danish state faces a binary choice: abandon the classification across all law and policy, or defend it as something other than what it transparently is. As Susheela Math of Systemic Justice put it: the government "will refer to ethnic origin when it suits them" but denies the connection inside a courtroom. The extraction pattern is unusually legible here. The state created a demographic classification, used it to designate neighborhoods, then empowered housing associations to evict residents based on that classification — while maintaining that the classification has nothing to do with the characteristic it explicitly measures. The costs fall entirely on ethnic minority residents who lose homes, communities, and in the Mjølnerparken case, any realistic path to return. The benefits accrue to a policy apparatus that can claim to address "parallel societies" without naming what it is actually sorting by. A ruling is expected later this month. If the residents win, the implications extend far beyond housing. The "non-western" category threads through Danish law and administrative practice. Pulling it out would require the state to either reconstruct its integration policy on non-ethnic grounds or acknowledge what it has been doing all along.