The financial system with its incentives (read: the currency itself) is basically tilted to that kind of money spending. The decoupling from the 'Gold Standard'

The financial system with its incentives (read: the currency itself) is basically tilted to that kind of money spending. The decoupling from the 'Gold Standard' in 1971 gave this a big boost. So, essentially banks can create money (fiat ... borrowed from the expression from Genesis 1:3 fiat lux: "Let there be light") by simply inputting the number into a ledger (credit/debit). All the banks then settle between each other and finally with the Central Banks, here: FED. For convenience I have skipped the fractional reserve mechanisms. On top of that for "international settlements", there exists conveniently a Bank of International Settlement (BIS). From that viewpoint "saving money on a bank account" is 'recursive' (an historic remnant still floating in a lot of minds from the time when banknotes actually denoted legally binding claims on fixed amounts of gold/silver) and highly discouraged and effectively penalized. If one understands the basic accounting/settlements mechanisms involved this becomes evident. Cash is 'inferior' money. The whole argument about Bitcoin (which I'm not in favor of) as a "superior form" of currency or now rebranded as a "commodity"/"store of value" revolves around this crucial point/promise: Saving money like in the old days. (The 'bible' exploring this topic is accordingly called the "Bitcoin Standard"). The kind of money spending encouraged, now, through fiat money and all its entourage discourages long term thinking and planning - reflected in the more and more fleeting life spans and decreasing quality of the products overall and by the current investing practices - and "robs" the vast majority of people by diluting the money supply, benefitting the few ones with basically unlimited access to "credits" (state, the "rich"). Historically, this "financial intsruments/leverages" allowed industrial large scale wars like WWI or WWII to be "funded" in the first place.