One problem with that article - real inflation, as they would have measured it in 1979 ,and should still measure it today if they wanted to record actual inflation - has been between 9% and 13% for the past decade or so.

If you use the current "official" inflation CPI to try and make any sort of analysis, you immediately fail due to invalid input. GIGO.

For who could be free when every other man's humour might domineer over him? - John Locke (2nd Treatise, sect 57)