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IMO: Sure, Librem is running Linux. But that's not so much a positive as its just not a negative. Still missing OpenPGP card, no anti-interdiction services, absolutely no hardening. I've been waiting for years, still missing /major/ app support + now I have to pay for that too.
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The distinction isn't really GNU because if a distribution uses musl instead of glibc, Clang / LLD / LLVM binary utilities instead of GCC and binutils, etc. it isn't GNU anymore but could still be a traditional desktop distribution with that approach to package management, etc.
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Alpine for example uses musl instead of glibc and BusyBox instead of coreutils but still uses GCC/binutils for now. Android used GCC/binutils until a few years ago and still hasn't fully moved to LLD for the Linux kernel itself yet but it's almost at the point where that's gone.
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