SSD, you don't sound like someone with a great knowledge of aviation
Well, maybe you're right. Perhaps I was wearing a blindfold and ear plugs during all those decades......?
Do you have any conception of the difficulties of operating at the parameters required? Or the difficulties in engineering to achieve them?
Um, yes.
The rest of your post is more believable. It bears out what I said earlier. What's 'possible' of course, in a difficult environment, depends on the tools available.