While we are on the subject of RT, what about the Good Morning's, Good Afternoons, Good Day's, Good Bye's, etc....
Do the controllers get fed up of saying it 100's of times in one shift?
I personally do pass on a pleasant greeting, although sometimes you can tell that when London - for example - are very busy, the last thing they want to hear is extra chatter, and then I avoid it.
I feel that generally it helps the day pass, but are you guys the same?
The other thing that helps is hearing a yank struggling with a new frequency. After the 5th attempt, trust me, your frustration is felt and empathized with. Makes us laugh anyway as all that is missing is the FFS before you TX.