Tipping ‘nudges’ are now popping up on DoorDash. If you don’t leave a gratuity, you’ll hear about it.::DoorDash is the latest delivery service to nudge customers who don’t tip. It shows how intrusive tip requests are, and how important tips are to gig workers.
I think it comes from the thinking that ordering more expensive food means you must have higher income to afford that, so you can also afford a higher tip.