Earlier quoted context omitted.
They may be disappointed when they discover the rules aren't made in Brussels because the UK joined the EU, but because it's the UK's largest trading partner and the largest trade bloc in the world. Brexit will simply make their position worse.
No. As anyone with an interest in politics in the UK will tell you, free movement literally ended yesterday.
A bill passed its 3rd reading in house of commons. It needs to get through the House of Lords. It still has some way before becoming law.
https://www.parliament.uk/about/how/laws/passage-bill/common...
And when the UK crashes out of EU with no deal we'll inevitably re-allow free movement of EU workers because we have no bargaining power.