another problematic point is that Android at most as OSS-compliant as the kernel it uses. Linux contains blobs, so it's not OSS, therefore Android isn't either. but OSSers tolerate blobs, so they pretend and misrepresent Linux and Android as OSS. but the difference is not in that they're OSS and not FS (they're neither), it's in the duplicity of bundling blobs and misrepresenting the whole as OSS.

there's a deeper issue related with this difference in focus, that leads to a difference of attitude: pursuit of freedom for all users, by resisting the technological subjugation and overthrowing the abusers to liberate the cyberspace, vs pursuit of economical and efficient exploitation of software, by externalizing development costs and accepting third-party contributions, when that's profitable, while legitimizing the power to subjugate users when that's profitable.

this difference in underlying values also drives the preference for either copyleft or pushover licenses.
https://www.fsfla.org/blogs/lxo/pub/against-software-tyranny.en.html