I suppose perhaps you want chrome and keychain to support a single, common, import-export format, rather than having to convert between them? In the context of

I suppose perhaps you want chrome and keychain to support a single, common, import-export format, rather than having to convert between them? In the context of your whole comment and TFA it sounded more like: why make Apple support import-export when Google does not. Rather than make everyone support import-export, like Google already does?