You might even say it earned top-billing status at the drive-thru. Clearly, Starbucks is doing many things right. After all, in less than a decade, Starbucks’ drive-thru rapidly morphed from a run-of-the-mill, vanilla customer experience, to a finely tuned, high-quality, brand-proprietary drive-thru that has generated millions upon millions for the chain. There’s been a lot written about Starbucks’ drive-thrus.