Also, it's a good idea to periodically check these settings to ensure they remain as you've set them. Especially after software updates, your revised settings may sometimes revert to their default state.
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For most of us, ACR offers few tangible benefits, while the real-time sharing of our viewing habits and preferences exposes us to potential privacy risks. By disabling ACR, you can help keep your data to yourself, and enjoy viewing with some peace of mind.
Given the earlier sentence, their conclusion is pure cope. There is no way to have peace of mind with a "smart" TV short of rendering it physically incapable of phoning home.