Is charging a 'tourist tax' really the solution to overtourism?

Is charging a ‘tourist tax’ really the solution to overtourism?
You’ve just travelled for 24 hours from London to New Zealand. To get there you’ve splashed a grand on flights, likely a fair wedge on a fortnight’s worth of accommodation, and then there’s the spending money… However, if the New Zealand …
Is charging a ‘tourist tax’ really the solution to overtourism?