Argument: Health insurance co-ops are too unestablished to rely on
"Health Care Co-Op Supporters Don't Know What They're Talking About". Huffington Post. June 18, 2009: "GRASSLEY: well, first of all, I hope that you understand that there's a lot of co-ops around the country. Just a few of them involved in health care. So there's a lot of experience of 150 years with Americans with co-ops. [...] Okay, sure! There are a ton of great co-ops! 150 years of co-ops! But we're talking about nationwide health care reform, so I'm a bit nervous to hear that there are only a "few" co-ops "involved in health care."
Sen. John D. Rockefeller IV (D-W.Va.) said in a recent interview. "Nobody has ever done any study . . . of how they would affect health insurance in a bill the magnitude of the size we're doing." Sen. John D. Rockefeller IV (D-W.Va.) said in a recent interview.
Pete Stark, Chairman of the Ways and Means Health Sub Committee, said in September of 2009: "There aren't many of you listening who remember the co-ops in the '30s, which was kind of a Roosevelt outfit, rural electric co-ops, phone co-ops. But, as I say, there is no real example of either the regulation, or how you would establish them, or where they would get enough people to have a purchasing base. So you might as well talk about unicorns. You know, what is a medical unicorn? My kids all know what a unicorn is. But you don't. You have never seen one. So I think this co-op is just a way of ducking the issue of having the public plan." 
Timothy Stoltzfus, a law professor at Washington and Lee University and a writer on health care policy, said in August of 2009: "The fact that not many [co-ops] exist now shows us there's not a viable model to compete with private insurers. It's effectively a diversion, as far as I'm concerned."