The risk of appointing a qualified doctor as secretary of health is that they may introduce policy decisions that benefit the NHS and the care it provides. I think it a smart move to keep anyone with any knowledge of health matters well away from that job so that decisions can be made for the...
For some it was purely sovereignty and nothing to do with immigration.
You have 48% happy to remain, you only need 3% of the Leave vote to be happy with free movement and you have a majority.