In this case, when we are testing the initial setup before we create our images, we would see a bunch of traffic we didn't expect or we read articles that tell

In this case, when we are testing the initial setup before we create our images, we would see a bunch of traffic we didn't expect or we read articles that tell us our preferred browser is doing something we find unacceptable. Its not like most enterprise / educational institutions don't test their staff setups.