They do it to the Oil Industry. (Not that it makes it right, mind you.)
Imagine if law firms that handle malpractice claims had to function under terms similar to Obamacare. Imagine they're limited to 15% profit. And could only charge fees set by the feds. And were required to represent everyone who asked. And could only build their case around criteria set by boards of partisan appointees. Can you imagine the ruckus?