New ask Hacker News story: Ask HN: Does Uber Eats take a loss when they offer their coupons?

Ask HN: Does Uber Eats take a loss when they offer their coupons?
4 by palidanx | 4 comments on Hacker News.
Occasionally I get these Uber Eats 30% off eats coupons, does anyone know is it only Uber that takes a loss or the actual restaurant?