"Lufthansa readbacks"
What's the point in "Lufthansa readbacks"? I've heard many times that they START the readback with their callsign - isn't it pretty confusing when nearly every one else ends the readback with callsign. Who does instruct starting the readback "wrong"?
"Lufthansa 1VM, right heading 210."
"Lufthansa 1VM, turning right heading 210."
"KLM 1771, right heading 210."
"Right heading 210, KLM 1771."