As I said hiding a cv is a perfectly legit tactic. Changing sides to find a CV is noT.
Yes it is.
Just like saying hidding a CV is for tactical reasons, so is spying. Happens in real life warefare, happens in AHII - sorry. The spy reveals where the asset it to get the advantage on opposing countries so it is just as legit as hiding an asset.
If you want to make this a moralistic and ethical issue, then you can ban PMing others in other countries; prevent side switchers for anything less than 7 days instead of 5 hours (sorry muppets). So, the only way one can rat out their cv is on channel 200 where all can see; then you can mute the rat himself.
If you don't like that then you can build a mechanism that prevents CV's floating past 2 sectors in friendly territory and pointed in the direction of the theater of action. This will prevent people like DMGOD abhorent behavior as you are implicating him for.
Please understand that what DMGOD did was the symptom, not the root cause.