That's kind of what the experiment was about. They wanted to know: If we run this simple game of chance and delegation with real people, do people delegate more

That's kind of what the experiment was about. They wanted to know: If we run this simple game of chance and delegation with real people, do people delegate more or less than the optimal amount? They found that people delegated more than would be optimal. Now -- whether that says anything about liquid democracy applied to real world situations is quite a different question, of course. As you started to point out.