not 20 - almost since 50+yrs - worldwide scale - agrument is expanding human population (baby producing ever since big bang ) need ever expanding money supply and ever expanding tax sources.
1970s world pop was 3.7B today >8B+ problem is 3Billion+ humans live under proverty , inequality worldwide is HIGHEST than ever. both conclusion TAX n scamming system makes rich richer.
devlaution (driving behind inflation) is also form hidden tax.