I think it's great all the help you've been providing people, GuitarRox. I would add that doctors tend to jump to the psychological rather quickly, so I wouldn't take their word for that as written in stone. I'd take it with a huge grain of salt, especially if they've run no tests, or next to no tests, and don't even ask enough questions.
We don't see this with other parts of the body. If you go to see the doctor, and suddenly you can't bend your arm the way you used to, they don't just sit there with you for five minutes with a little smile saying bud, you just need to calm down, take deep breaths, work on your mindfulness etc. They would start by assuming it was physical and do one test after another in search of the cause. They don't often do that with penile issues, probably because there is not a lot most urologists think they can do about it anyway. If anything, they'll jump to management and prescribe drugs (without giving proper instruction on them by the way, a lot of the time).
My suspicion is the overwhelming majority of ED cases are physical. I'm not discounting when it is psychological for some people and then there are different strategies for that, but it should take a lot to conclude that, like a psychological assessment, assessing "morning wood" when there should be zero issues if it's psychological and questions about if there's been a change and when there's been a change and different physical tests, etc. If the doctor jumps to psychological after just a 5 minute chat, it means he or she is being lazy or just has no other solution. I'd go see a different doctor or demand tests or something like that. Definitely don't believe him on a 5 minute or so chat.