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Google reps don’t have access to manipulate your account performance directly, but the timing correlation you’re experiencing isn’t uncommon.
When reps can’t get you on calls, they sometimes escalate accounts for “review” which can trigger algorithm changes or policy scrutiny that affects performance.
More likely, your avoidance of optimization suggestions means Google’s automated systems are making changes without your input… things like bid strategy shifts or placement expansions that weren’t explicitly approved. For my clients dealing with persistent rep contact, I handle all communication to prevent these indirect performance impacts.
The CPA doubling after avoiding Google contact suggests your account may have lost some preferential treatment or algorithmic stability.
