The trillions of dollars of central bank-driven low or negatively yielding financial instruments demolish the dreams of savers and retirees, prohibiting an enormously large and growing group of individuals from meeting their retirement wants, wishes, and — tragically — even needs. Free money has consequences. Because it is not free. No matter how well-intentioned, runaway global money printing, and the resulting financial repression, is society’s largest global challenge.

-- an excerpt from the Stone Ridge 2020 Shareholder Letter, its 2-minute version can be found here https://www.2minutebitcoin.org/blog/stone-ridge-2020-shareholder-letter