It's an indication of them tightening their belts because people may place "pay at restaurant" orders and not pick them up, causing loss for the company and/or franchisees.
Originally Posted by
Points Scrounger
Samsung Pay at Safeway for $33 triggered a signature. I could swear it was always $50, so have they gone backwards?
They could have been offline at the time. The system requests a signature for all card transactions (even PIN Debit; which I'm assuming will run as credit after they're back online since it does not give the option for cash back) if their communications are down.