Rules are good. I could not agree more.
BUT... what if the rules got breached. You know what they say, rules are made to be broken. Even if there are separate tracks, what's going to keep anybody from running the wrong scale on the wrong track. I know, it's called P E N A L T I E S.
And yes, how can we get whoever is in charge to persistently ask drivers to write down frequencies. It'll save us all a lot of trouble and money too. If whiteboard and markers don't seem to be the popular choice let's try something else and start thinking what that might be.