I believe hn users who claim to be from argentina or somewhere near, that's it.
If I see one such comment, it might still be misleading but If it is tens of such people, it would be legit enough to believe.
For example, inflation where I live is ~10% but eggs have doubled in price in one year. It's not that the statistics office lies, it's just considering more things, and e.g. public transport had 0% inflation.