Not on New Year's Eve. There are thousands of policemen (and hundreds of soldiers) patrolling the Champs Élysées and the Champ de Mars, because of the terrorist risk.
illegal sellers avoid the police, they risk 6 months in prison for hawking, 3 years in prison because they sell counterfeits and expulsion from the territory because they are almost exclusively illegal migrants. And of course thousands of euros in fines
