I think all of Europe is in the same predicament. I see no easy solution and the politicians (and those who voted for them) brought it on themselves.
It could all have been prevented. Many predicted it, Jean Raspail for one. Many shouted warnings but to Europeans deafened by denial.
Europe has a long, bad tradition of mass insanity. This is just the latest example.
How many times must Americans rescue them from their madness?
Viewed in Darwinian biological terms, Britain et al are unfit and being replaced by the stronger, more fit, humans.
The wars of the 20th century destroyed the existing Brit et al gene pool leaving a much less fit genetic pool.
Survival of the fittest prevails. Pakis are more numerous and more fit