1. Finance and banking
High leverage, abstract products, systemic risk, giant lobbying footprint, and easy blame-shifting through technical compliance.
2. Health care and insurance
Life-or-death stakes, opaque billing, fragmented payers, pharma-device-provider chains, and endless room for denial-by-procedure.
3. Energy and utilities
Natural monopoly or quasi-monopoly features, infrastructure lock-in, public dependence, and regulation often split between federal, state, and market operators.
4. Food and processed food systems
Mass consumer dependency, marketing power, hidden health externalities, and reform bottlenecked by commercial speech and industry influence.
5. Housing / real estate / landlord finance
Basic need, ownership opacity, local veto structures, and extraction through rents, fees, speculation, and tax design.
6. Telecom / data infrastructure / platforms
High switching costs, technical opacity, lock-in, and private control over quasi-public communications systems.