It's only a few years ago that 'we' British considered ourselves to be totally different to the Europeans or 'continentals' as we quaintly called them and he you are lumping us as one big happy family.
You think a miracle is going to happen.
You believe that all the immigrants and their descendants - the Africans, Arabs, Indians, Pakistanis, Romanian, Polish, Ukrainian, Chinese, West Indians with all their different religions - Jews, Sikh, Hindu, Buddhist, Muslim, Christian, not forgetting the atheists, Jehovah Witness, Christian Scientists, the myriad of denominations and the many other races, creeds and religions that choose to live in the UK are going to unite and adopt one religion or way of life in order to dominate the native Brit and take control of the UK?
The different factions of the same religions can't agree on how things should be done so I can't see that happening in a million years.
Migrants follow money. It won't be long before China is the choice destination. That is the country with the best prospects at the moment.