Yeah, but then I just throw out the lettuce.
Exactly.
"Well, I don't really like that aspect of that submission. Let's look at the rest of it now."
"Okay, I've narrowed my choices down to two. I don't like aspect A of submission 1, and I don't like aspect B of submission 2. I value aspect <?> more than the other, so that's the way I'll vote."
Ignoring the work of three people because you aren't fond of the work of one person isn't fair to the other three people. I have voted for things where I liked most, but not all, aspects of them, simply because they were my favourites overall.
That's all we're asking people to do: Evaluate the entire hamburger.