Wikipedia turned 25 this year with 65 million articles across 300 languages — and a structural gender problem it still cannot solve. Only 19% of its biographies concern women, by the Wikimedia Foundation's own estimate. Sandi Toksvig, touring the world to raise funds, calls the platform "patronising and deeply biased" and points to an editorial corps she describes as "mostly white, middle-aged, European men who have both the time and the technology." The case of Donna Strickland crystallises the problem. The Canadian physicist had her draft Wikipedia biography rejected repeatedly — until she won a Nobel Prize in Physics. The platform's volunteer-editor model, which theoretically democratises knowledge, in practice filters it through a narrow demographic bottleneck. The Oxford Internet Institute found in 2013 that Wikipedia contained more coverage of Germany than Africa and South America combined, a geographic skew that mirrors the editorial one. Toksvig's response is Mappa Mundi, a project backed by the University of Cambridge. She describes it as an "interactive digital atlas where we can find a home for the vast amount of knowledge that is currently sidelined or deleted." The framing is explicitly corrective — not replacing Wikipedia but creating a parallel structure for knowledge the volunteer-editor pipeline systematically excludes. The other prominent Wikipedia rival comes from Elon Musk, who has spent two years calling the platform "Wokepedia" and launched Grokipedia, an AI-powered alternative. A November 2025 paper found Grokipedia articles are 13 times more likely to contain sources blacklisted by the English Wikipedia community. At the time of publication, Grokipedia included 42 citations of the banned neo-Nazi website Stormfront. The project that claimed to fix ideological bias introduced factual contamination at industrial scale. The contrast between the two challengers is instructive. Mappa Mundi is slow, academic, and narrowly focused on representation gaps — a supplementary archive, not a replacement. Grokipedia is fast, AI-generated, and positioned as a wholesale alternative, but its quality-control failures suggest the problem it actually solves is Musk's personal grievance, not knowledge infrastructure. Neither threatens Wikipedia's core position as the default reference layer of the internet. What both challengers illuminate is that Wikipedia's real vulnerability is not ideology but demography. The volunteer model concentrates editorial power in a self-selecting group with specific geographic, gender, and class characteristics. The resulting gaps are measurable and documented. But the fix requires either changing who edits Wikipedia — which the Foundation has tried and largely failed to do — or building parallel systems that cover the blind spots. The 20-year question is whether knowledge infrastructure fragments into competing ideological ecosystems or whether the documented biases drive genuine structural reform within the existing platform. Wikipedia's incumbency is enormous, but the legitimacy cost of a 19% female biography rate compounds over time.