Some locals learn a new language English, French, German, Japanese which increases their opportunity to earn a better living. Women's rights often advance after visitors arrive. And the presence of outsiders inevitably brings an increase in political freedom over time. But there is a price to pay. Traditional dress that distinguishes villages and subcultures gives way to Levis and T-shirts.
Family solidarity is threatened.
A group of cynical locals learns to prey on tourists. Competition takes the place of the tradition of cooperation. Toxic weeds of dissatisfaction and envy are sewn. Whether culture or habitat, there is no simple solution, since cultures are at least as complex as ecosystems. In the big picture, we can urge or protest intervention in either and hope we have it right.