If we use one of the arbitrary freedom indexes and only visit countries with equal or more freedom then:
One of them ranked 1. Norway, 2. Australia

So Aussies should only ever be tourists in Norway and Norwegians should never leave home.

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The thing is what effect does tourism have on the locals and the local economy. Not all tourism is equal and a large portion is based on exchange rate exploitation ie sex tourism.

However as noted with the hypothetical joke about the regime it is very hard to separate tourists from the local workers and merchants. Where money flows so does information and vice a versa.

So as a way to inject ideas and money into an economy tourism generally beats oil and mining. Tourism requires a level of stability and idea acceptance far in advance of mining.

So instead of looking at all tourism as bad, look at the ones that have a positive effect. For instance some eco tours will end up creating national parks, funding rangers and looking after endangered species. Tourist service work for families is generally better conditions then factory working. Also the changes made in cleaning up a city for tourism improves life for the locals.