You happily empower the private sector to deny you benefits even though your only recourse is more expensive than what you were denied.
I'm not quite sure I understand what that sentence is supposed to mean, but I've noticed you have an odd sense of "denied". You can't be denied something that wasn't yours to begin with, or otherwise owed to you by mutual agreement. If an insurance company refuses to pay for health care expense that a policy holder is promised, they've committed fraud and legal action is warranted. Also, who exactly do you think populates "the private sector"? The private sector IS 'we the people'.
With the government you have the right to lobby those in power directly and to fire them if you don't get what you want.
If your interests don't enjoy majority support, this is only effective if you're politically connected or very wealthy.
Greedy HMO's are exempt from law suits so no, you can't sue them for denying you health care.
Corporatism in action. FWIW, I'll join you in any effort to repeal such an exemption.
Plenty of grass roots movements have ousted politicians from power. Why can't you do the same thing if they refuse to address your legitimate grievances?
When we talk of protecting rights, it's not generally the rights of the majority that are in question. Democracy takes care of them just fine. It's the folks not in the majority whose rights most need protecting. That's where clear constitutional limits on government come into play.