It's becoming more difficult for governments to willfully miscalculate the realities of inflation. The reason is increasingly broad availability of pricing data and improved abilities to harvest and analyze it. Even those who try to calculate CPIs and similar statistics do poorly because it's very difficult to say an iPhone today costs 45% more than it did 15 years ago--it just didn't exist then. Given enough gadgets and enough price points, these hiccups in baskets of goods and services get smoothed over.
Tim Harford: A Billion Prices Can't be Wrong
Sharing knowledge and information increases freedom and improves justice. It could be that thoughtful analysis could preclude future economic calamities due to false or obscured information.
Note, this is not an argument for you to buy gold or TIPS. Talk to your financial expert about what investments are right for you.