I'm sure the growth of government from 1929 to 1940 was much larger than what would occur here.
The government size has steadily grown this century but has ebbed and flowed, privatized parts of itself, shed it's skin in many parts.
This is undoubtedly major reform and I think that scares anyone of failure. But this is going to come down to whether you view this as something our society should be setting up through our government. People have varying opinions.
But whether the Republicans and blue dogs succeed in killing 'Obamacare', that can't be the end of it, some form of health care reform absolutely needs to get passed. It can't be like 2005 with social security.