The "no curriculum" style automatically filters for a certain kind of self learning high achieving student. This is a reasonably guarantee of success and also limits the scale of the operation.

Lambda School is more of an attempt to train the average guy who wants to increase his earning ability. He doesn't have the time or patience to "work on cool things" in the hope of "learning a lot" which is loosely correlated to finding a good job.

They cater to different crowds and solve somewhat different problems.