I think that's exactly what your parent meant (or at least my interpretation of it). Some people might not (want to) believe it but there's actually a whole lot

I think that's exactly what your parent meant (or at least my interpretation of it). Some people might not (want to) believe it but there's actually a whole lot of very valid reasoning behind what RMS is advocating. We shouldn't desire open systems because RMS said so, we should do it because of what he said.