My question is serious and genuine. I expected answers, not votes. Now I recognize that it is a complex question: If Google Analytics has some advantages that

My question is serious and genuine. I expected answers, not votes. Now I recognize that it is a complex question: If Google Analytics has some advantages that you can't reproduce even when you fully control your web server, I would like to know what it is. If it does not, then we may want to stop sending all our logs to Google right now.