Originally Posted by
tauphi
Why wouldn't it? You're giving them something for nothing

I know that intercontinental (transoceanic) surface sectors between TC1 & TC2 as well as between TC1 & TC3 are not allowed on the oneworld Explorer. Indeed, there seem to be no such restriction on the Circle Pacific.
So in the case of the OWE, OW airlines don't want you to give them anything for free