my point is if the unenployed in this country got off their collective arses el-bent there would be no need for immigrants
It's easy to make tabloid style comments like this, but in reality it's far harder.
First you have to train people, business would rather import workers with those skills already, it costs less,
Second, those people will want a decent wage like all of us do, Business will either import cheap workers again or export the jobs elsewhere,
The cost of living in the UK is ridiculous, house prices being the prime example, so social mobility is restricted.
We have a seriously damaging and expensive benefits culture in the UK, but until we can create prevent the above from happening it's only going to get worse.