My choice is simply down to regional variations. The brands you mention that are available in the USA are not so in Europe and prices for any oil product for us are 2-3 times higher. Motul is a French brand and is therefore more readily available and I already use some of their other products and like them. I also have a good discount with my local dealer.
Sponsorship not withstanding, no-one would recommend a product that would damage theirs.