Obviously, no access for EBG travelling on *A is kind of unbelievable as a strategy.
Not to be mixed up with lounge access as that is a official *G policy with a charge system beteen airlines in place systemwide - SAS actually earns money if someone travelling OS uses the lounge.
The upside of this situation is that they have personnel who actually honors and enforces the rules (whatever the rules). What they need to do now is to:
-Change the rules to at least let EBG on *A use Fast Track.
-Teach the gate keepers the rules. As described earlier they do not always know the rules and can for instance not separate class of service from booking class.