"he thinks we "need" [thread title] immigration in order that he and his wife can enjoy the "excellent" services of "at least 4" consultants who "came from abroad".

They just happen to be part of the consultancy team at our local BMI hospital. As far as I know they come from Egypt, India, Southern Rhodesia and possibly Saudi Arabia. But populations are moving, never more so than in the present, so I don't see the problem.