The new, competitive system can have many, many instances of increased quality and efficiency even in a period of overall decreased quality and decay caused by shifting resources from delivery to advertising and profits. Lots of uneven development. The responses to this profound, radical restructuring of the health care system, of one seventh of the entire economy, have been almost entirely based on institutional interests, not on political lines or morality. Everyone's response is based on how they fit, or don't fit. Not how to change the system, or resist it, or defeat it, or transform it.
Employers have little interest in health care reform.
The current situation works a little for them. They cut costs, and can cost shift more than ever. There is no sector of the employer community ready to move. Don't go there. Last time around, unions responded based on the needs of their employers.