The proposed 15 inch wheel minimum has the same validity as many other changes without prior consultation or notice that is so contrary to courteous and published practice.
To paraphrase a quote from one of the rulers " I don't read Landracing because it is a stupid conversation". (The actual quote is a bit longer but equally bright)
It makes me wonder, what else he doesn't read and maybe he really does?
Where should I list that one that is so far above you in the Adninisphere ?
"If you can't think it through, ask somebody."