Imo VAR should only exist in a technical capacity to prepare footage to transfer onto a ref’s portable Fold 5 or something. Samsung could sponsor it even!
The decisions should all be made by the ref on pitch and this would massively improve the speed of play during VAR. There’s no reason they should have to walk off pitch.
I think there’s many issues you can write about var, this seems like a bit of a weird one to focus on.
I think if you’re gonna go down this route of saving time, you could argue var just make the decision for the ref