Nah, why should I care about the achievements of people who where born on an arbitrary peace of land, that's only connection to me, is that the institution that decided centaury's ago that it had say over me and my life, control both it and the land I live on. Patriotism/Nationalism is just a governments way off controlling empty headed idiots, who want to be told they are right by an institution they where raised up to fear, and bow down to.
So when team GB Wins a medal I feel nothing neither happiness sadness, rather I just don't care. As I feel no Connection to the identity of the people who own the territory I have been born into.