In my humble opinion " we" is defined as the first generation immigrants who are eager to migrant to acculturate.
Some of us propose that we should be in the process of becoming the hosts of the country that we all aspired to join and eventually joined. Others argue that we should remain being guests, preserving the guest culture, and the host will tolerate the ghetto of cultures.
There seems to be a stark contrast between the former who has the sense of ownership of their adopted country, and the latter who refuses to acknowledge acculturation is a necessity rather than a luxury.