> In most European countries staff might great you, but they will try to discreetly shadow you and once you act like you need a help they will step in to assist.
This is even worse (to me) because most of the time there's nothing discreet about it.
I'd rather have someone ask up front if I need help - at which point I can politely say no - than just follow me around the store, silently watching, like a hyena stalking a wounded gazelle.