That goes under what one does not do. A good point to start with is that one does not violate the laws and rules because...
Yes, pretty much. I'd say patriotism is basically caring for the place one inhabits. Therefore, it's not about ideology but about the mindset.
Based on that, Europeans are not very patriotic since every square foot in Europe is covered with graffiti.
People who are responsible for drawing graffitis aren't patriotic, since they do their best to turn the place into a shthole - but that's only them. It doesn't take everyone in the neighbourhood to make graffitis, it can as well be either one clown or a small circus.
Just because Joe is a hooligan, doesn't mean that everyone is. Responsibility for Joe's actions is on Joe.