Earlier quoted context omitted.
Wasn't really, although their focus was on low cost phones too. Credit to KaiOS for recognizing the potential of non-touch devices. However, the effort required to enable a non-touch UI would have been a small fraction of the overall FirefoxOS effort. Something Mozilla could have responded to, if the team was intact.
The non-touch concept was under development when firefox os was cancelled.
Web is good enough for 90% of apps, and a bare metal SDK would be needed for games.