Those rules might change, one of the Conservative candidates announced that she'll kick out all EU immigrants that enter the UK after she becomes the prime minister.
Edit: source: https://twitter.com/samcoatestimes/status/751682424405430272
Edit: source: https://twitter.com/samcoatestimes/status/751682424405430272
The EU has shown it wants to hurt the UK as much as possible because its strategy for preventing further exits is, in a word, fear. You can't make any up front guarantees when negotiating with people like that, no matter how much you'd like to.
All rules can change but this is how it as at the moment.
Not entirely, the common argument is also about cheap workers from Eastern Europe. Ironically, recent accession of countries like Poland, Romania and Bulgaria was specifically and emphatically supported by the UK.
https://mobile.twitter.com/SamCoatesTimes/status/75168242440...