push back trying to get Michelin XPS RIB installed

Michelin describe's the XPS Rib as a commercial grade all-position tire. Years ago on the Michelin website trailer axle use was listed as a certified application. For reason's likely only a lawyer would be able to start to articulate the trailer use statement was removed.
However look at this current tire dealer listing of XPS Rib applications in which they call the XPS Rib an ideal choice for commercial trailers because of low rolling resistance.Mavis Tire Michelin XPS Rib