> I don't want to be negative, but show the hypocrisy of such a statement. Europeans are offensively egotistical, arrogant, and stand-on podiums of self righteousness.

Now now :) Some Americans can be loud in settings where Europeans usually prefer hushed conversations. Generally, in places like restaurants you don't want your experience to be dominated by the Americans at the table next to you's conversation. This happens sometimes, and people tend to generalise.