Mark Cuban, cofounder of Cost Plus Drugs.

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If you thought AI would fix the US healthcare system, Mark Cuban says think again.He said that while AI agents can help doctors, the same technology can also be used by insurers and other healthcare intermediaries to make care more difficult and expensive for doctors and patients."For every future agent we give AI doctors to deal with this friction, and to improve the quality of care, the conglomerates will have multiple adversarial agents doing all they can to delay and deny," Cuban wrote in an X post on Sunday.Cuban was responding to venture capitalist Marc Andreessen, who said on X the same day that "AI is already a better doctor than 99.99% of human doctors."Cuban said the biggest obstacle to improving healthcare is insurers, pharmacy benefit managers, and other healthcare middlemen, which he said already consume a significant share of physicians' time and have every incentive to use AI to protect their profits."25 pct or more of a doctor's time is spent dealing with conglomerates that do all they can to make the doctor's care more difficult, and expensive, for both the doctor and patient," he wrote.AI is already fighting AI in healthcareCuban said the conflict is already playing out.