"Firefox OS is based on the same concepts as WebOS so it's doomed"? Isn't that a bit like saying "OS X is based on BSD so it will only be of interest to hacker

"Firefox OS is based on the same concepts as WebOS so it's doomed"? Isn't that a bit like saying "OS X is based on BSD so it will only be of interest to hackers"? Execution is important - just because somebody screwed up an idea before doesn't mean that nobody else can make it work.