Great, now the drug cartels and ILLEGALS will have a field day with all the visitors.
People in my area (northeast NJ) learned a real lesson a few years ago when we hosted the Super Bowl; the average person and business saw no benefit at all, just traffic and a stack of bills.
Nowadays some cities reject such events, even hosting potential sports teams, because they know they are just subsidizing them...
Then again, France has the opportunity to showcase to the world the success of their immigration policy by fielding, say, a muslim female swim team. (then again that team probably wouldn’t win a medal with the wet burkas and all ...)