It is a crazy vision, with absolutely no prospect of success in the country that founded the modern welfare state, under Attlee after the war.
In Singapore, they use lots of migrant labour that they can simply re-export when the people involved are not sufficiently productive or get old or ill. Whereas, post Brexit, the anti-immigration UK has denied itself the chance to use migrant labour at all. It's a ridiculous notion.
The levelling up agenda is actually just the sort of One Nation Toryism that I have supported all my life. But it's nuts to try it with one arm tied behind your back economically, which is where we find ourselves after Brexit.
Oh well, it will be amusing to watch the in-fighting in the party: Red Wallers vs. Britannia Unhinged.