It's what you do when you see a mate in distress, especially when you need that mate to recover in time for the World Cup in a couple of weeks.
As far as the game is concerned, would have been interesting to see Arteta do what Maresca did with Chelsea in the Club World final and continue pressing for a second (and indeed, third) goal.
Instead, he sought to park the bus and ended up paying the price.
Sadly, though, gooners still look best bets to win the PL next season.. 😟