It's not clear to me that your experience was unethical. As parents are the legal guardians of kids, where is the responsibility -- to the adult, or to the child?
Your third paragraph is very hyperbolic and taints the otherwise reasonable points I believe you made.
I would say that the the responsibility of the psychologist (and all doctors) is to their patient, which in this case is the child. That does not necessarily mean that it is unethical to disclose what was said to the parents, as doing so may be in the best interest of the child.
However, there is a significant second order concern with violating confidentiality. In future instances, the child may be less willing to speak "in confidence" with a psychologist.
I think you'd have to include a large majority of IT personnel in this figure, as they are the likely first line of support for many windows installs.
That number is probably much higher than 1 million.
Apples to oranges, of course. The interesting part is that MS scaled their support to include people paid by their customers directly because their software was so business critical.
I'm sure I don't have experience with every tier of their support, but I've dealt with both Microsoft Partner support and paid support contracts for both Windows Server and SQL Server.
They will definitely help you, eventually, and the problem will eventually get fixed. However, eventually (in my experience) has been usually several days.
Things that I found that worked: exercise for pleasure (riding my bike!). Connecting with people (one-on-one -- i'd always been part of a big group before). Learning new things, new challenges. Yoga.
A book that helped me a lot was Frankl's "A man's search for meaning". I realized that I had a bit of fight club nihilism in me because I never chose my purpose in life, and so was just sitting on the metaphorical treadmill of existentialistic wallowing.
Are you me? Though mine lasts for several (many) years and other than exercise (gym 4-5 days/week) I haven't found a something that works or anything resembling a life purpose.
Your third paragraph is very hyperbolic and taints the otherwise reasonable points I believe you made.