Originally Posted by
Fabo.sk
I really don't see it. Having been both SEN and non-M&M *G the only difference I see is the likelihood to upgrade, and I mean, what is it if not par for the course that airlines prefer to opup their own members over other alliance partners?
It changes when you fly LHG non star-alliance airlines: SEN have priority boarding and lounge access when flying EN, *G do not. Also, if I am not mistaken, SEN have more seat options to choose in advance compared to *G