Do sensor trash cans require proprietary bags?

Simplehuman pushes its own custom-fit liners, and r/Costco reviewers note the brand includes a starter pack with a QR code for refills. However, multiple r/BuyItForLife users confirm standard 13-gallon Kirkland and grocery-store bags fit the 45L slim and butterfly models fine. iTouchless and EKO are designed around standard bag sizes from the outset.