Food & drink is crucial - smart vendors will make out like bandits. Bands are a great idea because they have loud speakers which are crucial for organizing crowds.
You are correct that tear gas should be expected - but its a tactic vs. smaller crowds. When the crowd is hundreds of thousands, it's less effective and could backfire on them. It should be planned for. But it's not alien acid and shouldn't be a reason anyone stays home.
Food & drink is crucial - smart vendors will make out like bandits. Bands are a great idea because they have loud speakers which are crucial for organizing crowds.
You are correct that tear gas should be expected - but its a tactic vs. smaller crowds. When the crowd is hundreds of thousands, it's less effective and could backfire on them. It should be planned for. But it's not alien acid and shouldn't be a reason anyone stays home.