A door handle is a universally recognised dual purpose control, and always works whichever way the door opens. A push plate does not do this. What are they supp

A door handle is a universally recognised dual purpose control, and always works whichever way the door opens. A push plate does not do this. What are they supposed to do, remove them when doors become temporarily uni-directional? The fact that this even needs to be said is a sad comment on people's lack of imagination.