A visitor should ring the bell and come in by the door. An uninvited visitor entering through window is something else. A visitor must respect the home rules. Hurting an invited and respectful visitor is incivility.

Most might see this as a conspiracy today; but at some point, China will 'walk' to eastern Mediterranean coast, to get to orange trees; through the way 'paved' by United States, intentionally or unintentionally, but consistently with ignorance.