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When I first had a savings account opened for me as a child and some pocket money put into it, interest was at, I think, 17% or more. I thought that was normal at the time and probably couldn't understand why anyone would do anything with money but put it in savings. Then rates dropped off a cliff and seemed incredibly low; I didn't realise at the time it was just going back to normal.
I studied economics in college and learned about the business cycle. And then we had decades of really, really low interest rates and inflation.
It honestly was nervous-making, because it means that governments don't have the "lever" of lowering interests rates to goose the economy.