You said Linux phone, however.
If someone can show me a phone that is comparatively relevant and "open source" as Android, I'd like to know. And don't say Apple or Microsoft. The former because of its closed ecosystem and the latter because of the lack of widespread usage and support.
If you tell me that Android isn't open source because it has developed a successful business model and is crushing competition by limiting other phone OS from having access to its apps, then I can agree that it's not supporting anything but a Google universe. However besides Google, I have yet to see a successful open source phone.
Firefox phones are aiming at a niche market, and Ubuntu has its own problems in the open source world. The latter is also being described as "Not Linux" and "Not Open Source" by others who are critical of Canonical.
EDIT: I'm thinking the solution is to not find an alternative to an Evil Google World because everything else is either worse or a tier lower. I'm thinking that we should be focusing on what to do about an Evil Google World if it comes. Is this Google World different from Microsoft World back in the day?