Britelite, I think that's a perfectly reasonable, researched position you have. I don't agree with some of it -- e.g., I can tell you definitively, LE doesn't tend to go with momentary-only switches, at least among those I know and have trained with. I totally understand the reasoning behind it, as laid out so well by Surefire and others, but I also know that Surefire themselves have clicky switch lights, and IME clickies are overwhelmingly the choice in handheld lights even among that crowd...
For myself, I can say a few things. First, "defensive" use for a civilian doesn't always imply with a firearm, and I know for a fact, through experience, that I can handle a light under those conditions without mashing it to click (at least on longer-throw switches). I'm in CA so this is by far the most likely scenario regardless, I can't carry. Even with a firearm (e.g., in my home), under certain conditions I'm pretty confident, but obviously, no one knows how they'll react in condition black, for real. But if I've used proper discipline up until that point -- which I can do -- maybe that's sufficient.
For the one do-everything light I have on me all the time, I absolutely want a clickie... I realize its limitations and still think it's the better solution, if the switch is designed well. None of which is to say that I don't think you haven't figured out the best solution for you! My dedicated nightstand light is more along the lines of what you're describing, but it's got only one job. This one has to be useful enough at all jobs, that I'll carry it with me