I dont agree at all, if you're that proud of your heritage then f***ing live there,by all means learn about the cultures etc etc,but its MY national identity being diluted , and if you think that he people in that you tube video share your idealistic aspirations of 'cultural diversity' then you're in for a rude awakening, one of the reasons i admire australia is the way australian identiy is first and foremost, try going to australia and start wittering on about respecting each other as an individual efore a nationality blah blah and you'll get short f***ing shrift.
Because as humans its our human right to movement, we aren't bound to one area? Because god/evolution gave us legs to move with, the intellect to master long distance travel in short amounts of time and because the vast vast majority of brits don't mind the wave of immergrants that have come in because they understand and aren't afraid?
If you like Austraila so much why don't you f***ing live there?