Replying to Is Cork 7 just a 180 to Misty 5?

Someone tried explaining to me that cork rotations are simply a 180 turn into a misty axis. So cork 7 is 180 to Misty 5, Cork 9 is 180 to Misty 7, dub cork 10 would be 180 to Dub misty 9, etc etc. They preached you should learn misty on snow before ever trying cork rotations. They even went as far as to say misty axis is the fundamental axis of all modern freeski aerial maneuvers.

Trying to make sense of all this. What are your opinions?