Exactly, that's what other famous people tend to do, including other Royals such as Edward and Sophie, Anne, etc. They have a kind of "unwritten" agreement.
Lots of other slebs do the same, incl pop stars, actors, etc. and as a result they don't end up with telephoto lenses into their private lives - throw them a fish and they're happy!
If you don't respect the media, then you're going the feel their backlash in terms of complete loss of control over what they report/publish.
Diana tried to "play" the media to her own benefit and look how that ended!