My family orders take-out once a week. I used to go pick it up almost every time. DoorDash reduced my personal stress level by so much that the 20% service fee is an absolute bargain.

DoorDash itself is predatory and harmful to local restaurants and worldwide labor practices.

If you are a developer and a product manager asks you to implement a dark pattern, you should raise objections at every step of the process, implement it slowly and with defects, and talk about it publicly to shame the company. We're holding the shovel. Make dark patterns expensive.