There was an article in the Finacial Times today which reiterates similar to what was in the TV shows, of which another is now in production too. ( FT Weekend, p.4).
Also this morning , his book duly arrived. From the short bits I've read since I got home from work, and written in a straight forwards to the point style. It sort of reminded me of a businessman nearly a century ago who wrote his auto biography and his philosophy on business which was car maker, Henry Ford who, incidentally didn't trust bankers and wasn't interested in their money to expand his business. His opinion of stockbrokers and Wall St wasn't much better.
Business principals of c.1919 do seem to be resurfacing in Dave Fishwick's book amongst other things, such as banks.