Yeah, host countries rarely, especially in the modern age, make any financial profit. For one thing there have been studies that show you lose as many visitors to the country in the time period as you gain, as so many avoid the place specifically because of the tournament being hosted. The gain is in prestige, gross national happiness (sometimes, not sure there was much of that in Tokyo this year), those kind of intangibles.
I'd say we're better off focusing such efforts on getting underage tournaments and the like, or maybe some other outside-of-the-box ideas. Something like a Formula E race, which I recall there being some small bit of noise about a few years ago.
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