Change is usually (always) driven by commerce. If passengers will pay more for this, the airlines may adopt it as an excuse to charge more. But there is a much more profitable reason for technology like this, and that is quick turn around of SLF.
I think something like this will happen ... eventually.
Of course one could argue that a simpler technical solution would be to parachute the whole plane down a la Cirrus. But that doesnt satisfy point 2 above.