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Not to push the Google koolaid too much but the proper assessment would be to evaluate your campaign or ad group performance pre and post the “optimized” ad, or do a custom a/b test.
What you’re not seeing by just looking at ad stats is whether the “optimized” ad unlocked new auctions/search terms that you previously weren’t eligible for due to lower ad rank.
So the real question is does your campaign drive more conversions at your target KPI when you have a fully optimized ad.
