Ban cars is a lot like saying defund the police
It makes a whole lot of sense when you stop and examine the reasoning, but it masks the wide reaching social and infrastructure reforms needed to accomplish it with a short meme that people misinterpret.
Yeah there's no way a viable Linux phone could be made without the ability to run Android apps.
I think we're probably at least a few years away from being able to daily drive Linux on modern phones with functioning things like NFC payments and a decent native app collection. It's definitely coming but it has far less momentum than even the Linux desktop does.