Mate it concerns me to think that them not rolling out in the US doesn't bother you. I would be panicking like hell if that were true. Anyways, it looks like the ann also mentions the feedback they received from the Dallas HQ:
We are extremely pleased to be partnering with one of what is indisputably a global icon. With a clear vision, plan and ability to execute there is no doubt of the impact that will be created. The support we have received from the senior leadership of Yum not only in their HQ in Dallas but in every international region we met with has made this global program an absolute joy to structure and agree to. This latest partnership reaffirms and validates once and for all that GetSwift is a true global disruptor in scale, product and commercial proposition” Executive Chairman of GetSwift, Bane Hunter said
