think Arteta has no clue about probability, risk management, risk - reward analysis. You up the risk by building from the back against organised pressing, there must be clear evidence of commensurate reward. Your execution must tangibly work, be comfortable, sustainable.
They had so many warning signs first half.
You've got to be wary of coaches who talk up different tactics, with their respective risk profiles, as 'philosophy', execute like shit and fail to react to warning signs.