The first bit:

In terms of mileage you have to have a reasonable set of miles as a base. If you run out of this indispensable metric, and your sample gets smaller it, thus, looses relevance.

Refers to evidence in K264's argument. There is none.

And yes, tautology gets so tiresome ..

Refers (approvingly) to your comment:

But...in Keithworld it's a "proxy" of American Caesar to umm "proxy" for American Caesar...to American Caesar?