I am really glad to note that the author has stated the content without bias. It is true that without sponsor's visa no one can enter the Kingdom, and whoever is coming here has come to earn a living and make his family comfortable back home. I don't like to favor expatriates by saying that it is correct but the logic is that most people who are working in different companies other than their own sponsor's are doing work which local people will never think to do. Look into this also. Expatriate via email