Most of the governments you are talking about are voted on by the people. And when the people care, the governments change. When the people don't care, yes, the government does want lots of data. However, people do often care about such things and that limits the government.

> From the same goverments

As alluded to, it doesn't have to :) The French are currently on their fifth iteration of "the government", and we're bound to get a new iteration hopefully soon! https://en.wikipedia.org/wiki/French_Fifth_Republic

Unemployed revolutionaries are a lot cheaper than responsible senators, and as history shows, selling claims to territories that belong to others is exactly what makes state violence so profitable. The descendants of someone in Africa are glad their photographs and souls weren’t taken a century ago.