General consensus seems to be that Ron&Shamir's publications on this topic are extraordinarily weak given how stellar a record Shamir, in particular, has. The conclusion seems obvious: It's a misdirection. Adi Shamir is Satoshi Nakamoto. (Note: No, I do not in fact believe this.)
This sounds like a fairly typical case of an advisor giving a student free reign. Most professors do not invest the time to understand their students' work as much as you might think.
You could investigate that with a few minutes of googling - the 'student' has been writing CS papers since the mid '80s [0]
This reminds me of when someone on HN described both the authors as 'some Israeli CS students' [1]
Whatever you think about this particular paper, the authors are experienced researchers.
[0] http://www.wisdom.weizmann.ac.il/~dron/ [1] https://news.ycombinator.com/item?id=5209356