Yeah, the ugliest of all Olympic stadiums with absolutely terrible sightlines, because it was going to become a baseball park, which has subsequently been condemned twenty years later. I'm pretty sure Atlanta rues its Olympics disaster as much as Athens.
This is actually a very interesting example. Stade de France doesn't have a permanent tenant. It's too big for anything but national soccer and rugby games. The Paris soccer and rugby teams don't play there, because without 80,000 people in the place, it is patently obvious that the seats are way too far from the field and the temporary seats for the big ticket payers are crap aluminum bleachers. It's a very good track & field stadium that rarely gets used for track & field or anything else.
It's also in the middle of nowhere as Paris has the sense to not site a large stadium in the center of the city when you could have Trocadero and the Jardins de Luxembourg instead.
So -- Canadians don't watch World Cup track & field, ever. We don't have any need for an 80k stadium for anything, national sports-wise. We already have a publicly paid for baseball stadium that was a financial disaster. We have properly sized stadia for all the current local professional sports teams, and the only real (maybe) 'need' would be another ice hockey rink (although Quebec City will get the next team that can no longer bankrupt an American suburb). Tell me again about how this billion dollar stadium is (a) needed, (b) wanted, and (c) cost-effective?