Nope, I'm right.
Maybe you should test things first
Make a simple mission on the desert map, player soldier and one single waypoint.
Make three versions of it with the waypoint set to 'Never show', Show in cadet mode' and 'Always show'.
Export each into single player mission and test and you will see it is exactly like I told you it is:
- with 'never show' in cadet mode you will see the waypoint on the HUD and nothing on the map
- with 'show in cadet mode' you will see the WP on the HUD and on the map when you play in cadet mode, when in veteran mode you can't see either
- with 'always show' you will see the WP on the HUD and on the map in Cadet mode, in Veteran mode you will only see the WP on the map