Tim S wrote:

Lecturers sometimes have their own slant on things and it may or may not
align with reality :-

Quite. AFAIK there's no intention whatever to abandon the faithful ring
circuit, but there is something of a campaign going on to educate
electricians about the radial alternatives. Hence Appendix 15 in the
New Red Book.

Next step: Can you construct a 32A radial circuit using 13A sockets?

Yes, of course - it's one of the standard circuits: 4 mm^2 cable for the
main circuit, spurs in 2.5 subject to the same rules as for rings,
max. floor area served 75 m^2.

--
Andy