They deserved to lose, even they performed very badly. They didn't show a team that was in the top five. All the Arsenal players played badly, they didn't seem to be in maximum condition. This makes it increasingly difficult for arsenal to enter the UCL Zone. The last hope is in week 38 Tottenham lose and Arsenal win. But it seems that it is difficult, Tottenham opponents are not too heavy either, they equally have a chance to enter the UCL Zone.
Arsenal's hopes have been dashed despite expecting big in week 38 I think it will not change Arsenal's fate to reclaim the standings, Spurs against Norwich are very easy and deserve to win in week 38.
I am also surprised to see Arsenal like this that Newcastle beat without being able to reply. This is something that is unexpected or a surprise where many expected Arsenal to qualify for the UCL but that is all over this week.
Honestly Antonio Conte made a very good change for the Spurs in such a tight EPL.