Source: I applied for the job. I didn't get it ;-)
I can't say I know either way, however I do recall their Tizen SDK licensing not being accepted as open source due to it only granting the right to use certain components on 'Tizen Certified Platforms'.
Which means the larger companies* are probably on schedule for development to start slowing because of technical debt. And therefore solving that (modern development practices and open source involvement!) will become a competive advantage.
* Sadly, the smaller companies will probably always be hacked-together-MVP stacks on top of whatever release they started dev on
"In February 2014, Joyent announced a partnership with Canonical to offer virtual Ubuntu machines."