Not a huge point in arguing this, but Pep's teams were often regarded as pointless tiki-taka, endless sideways passing with no penetration etc. Honestly I can see similarities between Arteta's side, and Pep's before the latter was able to buy all the players he needed to make his system work.
Not really though, Barcelona, City or Bayern have rarely been 'toothless' when he was manager, I can't think of a time where I've ever seen a Guardiola team and thought they struggled in attack.
At City his teams have scored 80, 106, 95, 102 goals in the league, 71 so far this season.
At Bayern his teams scored 80, 80, 94 goals (34 game league)
At Bayern his teams scored 114, 95, 98, 105 goals.
In the past 2 seasons, Arsenal have scored 56 and 46 goals so this season.