That seems strange to me Pete as all those who got in had already jumped over the prescribed hoops to get some kind of entry visa in the first place .
My thoughts on your secondary point are that for most in this position they will be earning well below minimum wages and would therefor be under the threshold for normal tax in addition they don't have any rights or benefits and like the rest of us will be paying vat, fuel taxes etc whilst working like dogs to support there dependants overseas there but for the grace of...T
Toyang I`m glad that still there are more people who stand for the righteousness and not delighted in the works of wicked people. 5 Hours Ago 11:44
To be honest Toyang your attitude with this statement is shocking to me and I am truly sorry that your life experience would lead you to these conclusions

to accuse people you don't know of "wickedness" when it may well be they are simply trying to put rice in there children's bellies flies in the face of all human kindness