I could only get the abstract and not the full article, but according to the abstract, total number of calories consumed and expended were the same in both groups, as was total amount of sleep.
So it is seems like it's not just based on the idea that how you structure your eating is what helps you maintain a calorie deficit.
I'll certainly be following this to see if there is further research. For a lot of people, it's less practical to eat the fullest meal for lunch since most people are at work and don't have as much time or ability to prepare a more elaborate or larger meal then.
As someone who typically does have my largest meal at night, at least on weekdays, I might try to work towards a little more balance between what I eat at each meal on the basis that it can't hurt.