We can crunch numbers, look at stats, and argue about whether immigrants add to our economy and our culture, and way of life.
Its an odd argument to have - when you have free movement of people, which is essentially what we have now.
Because we cannot control the "quality" - of the people coming to live here.
Quality meaning hard working - but socially adept individuals and families, who want to interrogate, and forge a good life here. Generally the sort of people who would go through a lengthy points process, and work hard at trying to live here, because they really want too.
In our system, no matter how many good people want to come here, and they do, you are also going to get very large numbers of BAD people who want to come and live here.
For this reason, its enough to shut down the whole free movement system.
We should never ever have allowed in one rapist, one murderer, any violent criminals AT ALL! Anti social violent people who have caused nothing but trouble, criminal gangs and so on.
Is free movement of people WORTH the flip side, free movement of criminals.
In my mind NO, Its not!
We had no issue with immigration before, and we wont in the future. We do not need, relaxed movement of people in the UK.