FTFY
A: Some people wouldn’t do that due to Ma’aras Ayin.
B: Not everyone wants sugary drinks.
C: 7-11 has a much larger selection of items that people may be interested in.
D: Even in places with Kosher options, it can be more useful to some to get a few free packs of Tylenol / Advil then a free lunch.
My point of posting was, people may not be aware that 7-11 is an available option on Uber Eats (and if you do Pickup instead of delivery, you save on the delivery/service fees as well, getting you more free for your money.