That's too bad you have little faith. But that's because in Thailand there isn't any mandated privacy, or the laws are toothless. Here in the US, that nurse could be fined $25,000 every time she hits the 'send' button.

It's a regulatory and educational problem, not a technical one. While it could be improved, and it's far from perfect, there's no reason what so ever to believe it's un-fixable.