You may be right about the future, I don’t know. They certainly haven’t invariable taken these losses you speak of in Arteta’s ten month stint, as evidenced by City, Chelsea and us. Certainly every team will take losses against top six opposition normally, including the League winners, and I guess Arteta’s Arsenal record in that respect is not worse than the other top four candidates, I’m pretty sure.
If this has now changed, and you spotted it, you’re welcome to say I told you so in a year or two.