Workers told Insider that customizations with the expectation of fast food delivery is unsustainable.
Some workers say the company has not adjusted staffing needs appropriately to deal with the new volume.
With the US job market heating up, a shift supervisor at an Atlanta Starbucks told Insider she's leaving for a job with better pay and benefits. The final straw for leaving her job of two years, she said, was realizing how her pay compared to the increasingly pricey drinks Starbucks sells.
"The thing that really radicalized me was that our starting wage ($9) is less than one average customer's ticket," she told Insider.