I stubbornly insist on writing Mac OS instead of macOS, but there is no "traditionally correct" way to write iOS, iMac, iPhone, etc. And I write watchOS and tv

I stubbornly insist on writing Mac OS instead of macOS, but there is no "traditionally correct" way to write iOS, iMac, iPhone, etc. And I write watchOS and tvOS because its not worth the extra trouble disambiguating Watch OS and TV OS.