Let's follow the incentive: who benefits from this assertion that local events are the determining criterion for choosing a destination?
Often, it is those who sell "all-inclusive" packages or thematic tourist guides, creating a conflict of interest.
In real life, the idea that local events determine the validation of a destination is somewhat naive; most travelers have other motives.
For example, people visit Montreal for family reasons or professional reasons, and the Grand Prix or Jazz Festival are often hazards to manage rather than triggers for travel.