So Mozilla lost Firefox OS. And their browser share is smaller then Chrome, and then it was, but still top tier and winning from M$. I'm much less pessimistic. Besides a cross platform and extensible browser we see also the following coming out of Mozilla: * Rust, a modern low-level programming language with cutting edge "safety" build in at zero runt time cost, luring many system programmers. * Servo, tomorrow brows…
I understand that people who like rust REALLY like Rust, but you do realize that your examples of a purpose for existence consist of: 1. A programming language, that hasn't yet shown "escape velocity" to go beyond D and other would-be-C++-successors in traction. 2. The only major application of that language... a pre-alpha browser engine, which may or may not eventually replace the engine in a browser that is serious…
You may be interested in https://www.rust-lang.org/en-US/friends.html.