I think there's an argument to be made that some developers might be willing to sacrifice portability to some lesser-used platforms in order to make the ecosyst

I think there's an argument to be made that some developers might be willing to sacrifice portability to some lesser-used platforms in order to make the ecosystem a bit cleaner for the platforms it does support. This is definitely a tradeoff though, so it make sense and is good that different ecosystems make difference choices here, as it allows people to choose whichever suits them best.