Have you looked at the menu recently? Bitcoin fixes this:
https://www.youtube.com/watch?v=6OasCaT2qTAI tracked this inflation from Twitter/X by simply searching for the keyword "Mcdouble costs". Having the data fed straight from primary sources is a much more revealing truth than any "official" graph the government puts out.
look that is what governments are designed to do. Whenever the public think out of the box or they try to earn with paying much taxes the governments try their best to manipulate their minds so that they continue to pay the taxes.
Same is the case with crypto these kind of graphs are released only to manipulate the public. Go and find some reliable source from where you can get the updates. Don't trust any platform spreading these kind of analysis because mostly they're fake.