Originally Posted by
Covidian98
And interestingly enough, Star Alliance rules, which is again something that AC is obligated to honour, requires AC to let any United Club member to access MLLs (subject to the same rules and restrictions as anyone else, obviously), but I’m not so sure if AC really does abide by this obligation.
You use the word "obligation" but it doesn't work like that.
*G benefits are not rights and *A members honour them in a best effort fashion.
They are quite in their rights to turn you away for operational/capacity reasons even while they still welcome their own status customers or folks flying on their metal.