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Hettie O’Brien: The hidden cost of private equity

Reported by Prospectmagazine
May 27, 2026· 2 min read
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Key Takeaways
  • • Journalist Hettie O'Brien's book *The Asset Class: How Private Equity Turned Capitalism Against Itself* examines how private equity firms have infiltrated critical service sectors including healthcare, housing, and nurseries, with documented negative impacts on outcomes and costs.
  • • Private equity-backed acquisitions have demonstrably affected small business viability and consumer costs; O'Brien documents a specific case where railway arch buyouts in London resulted in rising rents and displacement of local businesses.
  • • Healthcare and care home sectors show measurable deterioration following private equity ownership, including elevated mortality rates in care facilities, raising questions about accountability mechanisms for PE-backed operators.
  • • Major private equity firms—including Blackstone, KKR, Bain Capital, and the Carlyle Group—operate with limited transparency and regulatory oversight despite controlling assets across essential services affecting millions of households.
  • • O'Brien's analysis suggests that private equity's debt-driven model and financial engineering approach may be generating systemic economic instability, including political consequences and fiscal strain on public finances.
Summary
Journalist Hettie O'Brien, featured in a May 27, 2026 Prospect Magazine interview, presents evidence that private equity has become a structurally embedded force across sectors previously dominated by public or small-scale operators. Her book *The Asset Class: How Private Equity Turned Capitalism Against Itself* traces how debt-financed buyouts have reshaped housing, healthcare delivery, childcare, and elder care provision with material consequences for both service quality and cost structures.

O'Brien documents concrete examples of PE-backed market concentration and its operational impacts. A case study involving the buyout of London railway arches illustrates the mechanism: acquisition by private equity entities triggered systematic rent increases, forcing out established small businesses and local operators. This pattern reflects broader PE strategy: acquire assets, optimize financial returns through cost-cutting and price increases, and extract value through leverage rather than organic value creation.

The healthcare sector presents more acute concerns. O'Brien highlights mortality rate deterioration in private equity-owned care homes, suggesting that financial engineering and cost minimization protocols directly compromise patient outcomes. Similarly, PE involvement in housing and nursery operations has been associated with elevated consumer costs. These dynamics raise governance questions: PE-backed providers operate with substantially less regulatory scrutiny and public accountability than traditional operators, yet control essential services where performance failures impose human costs.

O'Brien's central thesis addresses structural instability: the private equity model—characterized by debt leverage, financial opacity, and short-term return optimization—may be generating broader economic consequences including political destabilization and fiscal pressure on public systems. The industry's scale and reach across critical infrastructure and services make it increasingly difficult for policymakers and consumers to circumvent PE-backed operators. Her work implicitly argues for regulatory and structural reforms to constrain PE expansion into non-competitive essential services and to establish accountability mechanisms currently absent in the sector.

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Sources

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Prospectmagazine Hettie O’Brien: The hidden cost of private equity