This is why I do like the reviews on food delivery apps. You separately rate the food and the courier so that one doesn’t affect the other’s score too dramatically.

Which food delivery apps do you have in mind? In my experience they are heavily engineered towards leaving only positive reviews, and as a result the range of scores is 4.0-5.0 rather than 1-5. Ubereats says things like "this review will be public with your name", and the timing of the review prompt and wording of the question all feels like it's trying to optimize the chance of a positive review.

Create a system in which people almost always defer to the highest score and then blame the little guy for trying to game it. I don't blame them at all. Nearly everyone else is doing it, so not doing it means it's harder to feed your kids.

BTW, we're the ones who created these systems.

Reviews about the company or service rather than the product are a pet peeve of mine for food. I want to know if it is good food first and foremost. I could care less if the waitress gave you a dirty look when you asked that your steak be cooked well done.

What if you watched the server sneeze on the food, but it tasted delicious?

You can't separate the service part of the job from a company that offers services.

Some review systems offer breakdowns to separate these two components.

Service is part of the experience when dining out, so I think it makes sense to include that as a factor for restaurant reviews. Of course, the platform should separate out food from service