I think it is a great idea. Can you list some of the problems this idea will cause, and back it up with some evidence?
If this is the new norm, some or most of us need to be retrained. New divers will quickly get into the new practice. More important it will be quicker and safer to new divers into the sport of diving.
Making the second stage no longer quickly accessible is the biggest, ever tried to undo clips with thick or dry gloves.
I have witnessed panicked OOA divers grab the thing with bubbles coming out. That is part of the reason I switched to long hose.