This could be true of any country that's accepting immigrants. Inviting countries must be selecive of whom the let in, what they bring with them, and whether and how well the inbound population assimilate, thus retaining the essence of its extant values. When a country has no control of its immigration (whether by choice or otherwise), or is lax about it, all kinds of birds come home to roost. Some birds lay eggs; others just poop.