https://www.shadowstats.com/alternate_data/inflation-charts
In fact, 2020s inflation (using historic measure) peaked at over 15% while the 1970s spike peaked below 15% — meaning that this latest inflation sets the record compared to the 1970s.
https://www.federalreservehistory.org/essays/great-inflation
Ignorant incredulity and “back in my day!” aren’t good arguments.