I'm actually more alarmed by the apps they use as an example of focused approach:

>During an appearance on stage last year, Snapchat CEO Evan >Spiegel said his company rejects the overwhelming majority >of things his teams build.

>“I would say we’d probably release about one percent of the >products we’re working on,” Spiegel said. “We build stuff >all the time that’s never released. It’s just terrible.”

If that is to be believed, it would seem that Snapchat is spectacularly poor in their design and planning efforts. Can you imagine Toyota discarding 99% of their R&D?