Still they could have kept alive the low level underpinning (what is called the "gonk" port) to let a community project go on. Mozilla's leadership choose to not do so for reasons that were never substantiated by any data.
> Also, which other approach are you talking about?
Other approaches to furthering their mission: if getting their own phone to market is to expensive, regroup behind the main product(s) and use them to launch new approaches like we are seeing in the linked article.
Also, which other approach are you talking about?