Dropbox was able to ship two mobile applications for 5-6 years using this strategy, so it's premature to dismiss it. Furthermore, it looks like their team chan

Dropbox was able to ship two mobile applications for 5-6 years using this strategy, so it's premature to dismiss it. Furthermore, it looks like their team changed a lot and they were unable to retain the C++ talent that implemented the original strategy, nor were they able to find interested developers. The mobile landscape has also changed enormously during those 5 years, even the official programming languages have changed.