"I honestly don't know why the article became such a lightning rod," says John Mackey, CEO and founder of Whole Foods Market Inc., as he tries to explain the firestorm caused by his August op-ed on these pages opposing government-run health care. "I think a lot of people who got angry haven't read what I actually wrote. There was a lot of emotional reaction—fear and anger. I just wanted to get people to think about whether there was a better way to reform the system."

Mr. Mackey...