Is Instacart's model still where the customer bid with tip is shown to shoppers before they accept a batch, but isn't binding, so customers can claw back their

Is Instacart's model still where the customer bid with tip is shown to shoppers before they accept a batch, but isn't binding, so customers can claw back their promised tip? (in which case arguably it wasn't a 'bid', but anyway). Can lead to 'tip-baiting'.