I think There is a big difference to immigrants moving to the UK, and immigrants in Spain mainly that the  majority in the UK are  there for the Benefits and free health care and crime  >:( I am in no way classing all like that  but that,s the way I see it.
Also  I would love to speak Catalan/Spanish but what with work, life, I just don't have the time to learn :-[ whilst you were all tucking into your Xmas dinner I was working all day any yesterday did a 14 hour day "Yes in a dirty NHS hospital" more than likely for the last xmas as this job is coming to a end this year after 12 years.