Interesting points, Grass,
I will have to look more into your analysis in terms of researching what you have said, especially on the tactical voting and the anti-hard Brexit vote, before I can really say much back.
I did read the authors page. I know he's a hardened leftie so you've definitely confirmed that.
Historically I'm not a massive book reader I have to admit, but I'm well in my thirties now, so book reading is something I'm trying to do more of!
For what its worth, I was 12 years old when Blair got in and 23 when he went, so much of Seymour's take on New Labour I can understand (I believed most it myself at some point).
Apart from the Black people/Single parent stuff which I mentioned above which does seem wishful thinking as you've alluded to..
To summarise or talk more broadly about politics for a sec....If this Austerity carries on which it looks likely to, with the NHS completely out of money to care for anyone properly, social care at crisis point, (never mind the patients), a huge lack of social housing stock, etc, then I reckon the political cycle is going back to that of the early 1990's.
Where after nearly two decades of Tory government underfunding into public services, and a weak leader of John Majoresque proportions, (similar to what we have in Theresa May now), then I reckon a centre left government, (how far left I don't know), will at some point win in the next 5-10 years, or 1-2 elections.
This is most likely to be Labour, unless they tear themselves apart and collapse, (should Jeremy Corbyn lose the next election).
The chronic need for social care for the ageing population in a few years will need real investment, and right-of-centre goverment austerity will be incompatible with the pressures on public services in the U.K by this time. (In the E.U, or out of the E.U.)
Does this make any sense?
Hope so.
Ps, sorry about so many edits, I can't knock out more than 75 words without major edits. 
You have obviously got me thinking.
