A couple of weeks ago.....
A/c "lost" tug, got new slot, then.. "Is that a/c going to hold us up?" "Can we take link xx?" "Why are we no3?" etc
On departue, tower "handed him over" with the following...."Contact Departure on 1xxx.xx, and feel free to whinge to them as well"
Reply..."Roger"
we aim to please, it keeps the cleaners happy