What Obama says in favor of a public option -- as of today, at least -- tells us how little he understands competition. The public option's virtue, he told Smerconish, is that "there wouldn't be a profit motive involved."
Profit (along with loss) is what enables competition to perform its discovery role:
"Suppose for a moment that we try to take the profit motive out of health care by going to a system in which government pays for and/or directly provides the services. ... (P)ublic-spirited politicians and bureaucrats have replaced profit-seeking firms.
"By what method exactly will the officials know how to allocate resources? By what method will they know how much of what kind of health care people want? And more important, by what method will they know how to produce that health care without wasting resources?