The first two bullet points on your list are very specific to an american perspective. As a dutchman I do not consider these scammy markets whatsoever.
As an Australian, I do agree with you, but only looking at them from what government services are provided. In terms of the industry, I think health/fitness is possibly the largest in terms of misinformation because no one wants to do simple exercise and eat well, everyone is looking for a shortcut to get bigger or smaller.
So I don't think that they're specific to the American perspective in a larger sense, but I do also see where you are coming from. Then again, neither of us are American!
As a Swede, I beg to differ. Both the two bullet points apply to other countries as well, such as Sweden. It's just that it hits you indirectly through taxes, instead of directly by you having to fork out bills from your wallet.
It's also scammy in the way that the current Regional Healthcare drives out fair competition to a large part.