The article has much more than that. Scroll down to "There’s No One Else to Pay the Bill" where it says:

"For fun, let’s imagine confiscating all the profits of all the famously greedy health-insurance companies. That would pay for four days of health care for all Americans. Let’s add in the profits of the 10 biggest rapacious U.S. drug companies. Another 7 days. Indeed, confiscating all the profits of all American companies, in every industry, wouldn’t cover even five months of our health-care expenses."