> CliqZ and Pocket Cliqz made their own browser based on Firefox, and a Firefox extension. Pocket started as a Firefox extension and even when it got integrate

> CliqZ and Pocket Cliqz made their own browser based on Firefox, and a Firefox extension. Pocket started as a Firefox extension and even when it got integrated into Firefox it was technically still an extension. If anything these cases seem to indicate that the core is lightweight and extensible. What's your point?