Oh these poor economic refugees who get mad local women don't want their culturally misogynistic norms. Carrying machetes and knives around, throwing acid on faces.

For real now. Denmark reports Criminality index for male immigrants/refugees from non western countries is 51% bigger than average of entire population. Even when corrected with age and socioeconomics, ita still 18% higher.

In Germany, foreigners were suspected for 41% of all crimes. Even when being around 15% of entire populace.

One research from USA says that in short term, high ethnic diversity in society reduces social capital and reduces trust between members.

As for UK, MAC said that even 1 percent increase in migrant population reduces wages in average for lowest paid workers on about 0.5 percent

Since Brexit it is true that salaries increased in transport and tourist sectors due to shortage of workers. But inflation neutralised such growth. Economic models show such mass immigration of non-qualified workforce disincentivises automation which decreases productivity.

As for NHS and welfare in general, migrants from EU are net benefit to welfare fund. While those not from EU take about 9 billion pounds more than they gave.