You've described a conflict of interest: a government that maybe doesn't want to solve, or solve on certain terms, can simply hold back information, redact, delay, try to get out through the courts, cost the nation.... In my part of the world, we have certain land claims that are upwards of $30 million on the first nation side of things. I don't even know what it is on the government side, over 30 years or more.
On October 23rd, 2017. See this statement in context.