Following Djokovic's abuse of advertising provided by The Roland Garos sponsor, for which he received no sanction, Nalbandian attacked the Queen's sponsor in west London, forfeited the final, and faces possibly further financial sanctions.
Yes, there was some unintended collateral damage to a line judge, who should be well advised to avoid close proximity to corporate names.
For that reason I refuse to wear any shirt with a Nike tick or such like. Such merchandising can send any sane man, or woman, over the edge.
ATP rules are ATP rules, but not if you are No 1 in the world in Paris. Nalbandian is entitled to be aggrieved, and so is the line judge.
However, there are no advertisements at Wimbledon which is a very important lesson for the rest of the world. There is a small chance that an impoverished qualifier will abuse a hotdog vendor, if provoked by another Andy Murray drop shot.