[RetroTechie]

So (if I understand correctly):

It minimizes the software stack (and with that: attack surface) that application sits on, inside a VM.

It does not (nor is it expected to) help to minimize said application.

And it does not minimize the software stack that runs the VM.

[convolvatron]

exactly. its an adpater that provides a short path between the applications expectations and what the VM provides.