I agree with this. Also note that GA's terms disallow the sending of personable identifiable information so the data they collect has to be anonymous (see https

I agree with this. Also note that GA's terms disallow the sending of personable identifiable information so the data they collect has to be anonymous (see https://support.google.com/analytics/answer/2795983?hl=en https://support.google.com/analytics/answer/2795983?hl=en).