If Moyes comes here and gets us Top 4, he'll be loved. If he comes here, plays the way he does and gets us 10th place, he'll be crucified, unlike Arteta. But that has nothing to do with style of play, and has everything to do with Arteta's image, looks, and the marketing job done on him as the new Pep clone in the making. I mean, just look at the Barca rumour. Everyone is ready to believe that Barca would come in for a novice coach that took the mighty Arsenal to 10th place in PL. Float the same rumour about Moyes, a coach who is actually overachieving with the Hammers, and they would laugh in your face.
It's not about the football in Moyes vs Arteta. It's about image.
The IF clause on your analysis is highly contradictory. Arteta has been vilified all season by many. Reading the posts on Arsenal.com during the rot was shocking. Absolute mayhem. Even now most people are still on his heels and some are easing off slowly, but ready to pounce depending on results. I am not sure what planet you are on regarding image/looks/marketing job giving him a breather. I am a staunch critic , and always was based on a lot which he has changed over the past few months.
No need to be drawn into the Moyes comparison. Its all based on IFs.
Lets face the facts. Özil's departure and the final realisation he is no longer a player was key in some people laying off Arteta. It coincided with the emergence of ESR. The results since December have improved. The team now has a direction. There are signs senior players are taking responsibility and we no longer rely on the kids. This is what is buying Arteta time to keep improving and not his looks.
Novice ? Pep was one before he took over at Barca.