The Hong Kong dollar is pegged at the moment, this also means it's not zero sum for a buyer or seller either, especially at the peg boundary like now. They simply make more Hong Kong dollars or withdraw them.
A pegged dollar is the same, it only takes a little longer. When they print they dilute the value of the current dollars in circulation but not immediately, because of the peg. But eventually, because it is zero-sum, so much pressure is pent-up trying to maintain that non-zero-sum peg that the system begins to crack and they have to re-peg it. Which happens often with pegged currencies.
This does not mean there are no winners and losers, personal finance is of course not a zero-sum game. And because the adjustments are not instantaneous there is a lot of room to profit if you know what is happening, which gives the impression of it not being zero-sum.
It is never really instantaneous and can take more than months, years. You would have thought printing 6 trillion would have changed something but not really.
> You would have thought printing 6 trillion would have changed something but not really.
I know these are crazy times, but that money did something: it delayed the inevitable by keeping alive zombie companies that should've gone bankrupt the minute the crisis started, if not before. The whole point of printing 6 trillions was to maintain the status quo, not change it, to maintain it and not face economic reality. It didn't work 100% as a lot of that money went directly into assets such as TSLA, AAPL and HTZ(??), some of it went to gold and bitcoin and a lot of it went into bribes and corruption, which prevented companies who could've used that money to stay afloat for a few more months to do so. But because it's a zero sum system it will crash eventually, just that for now it appears to be holding if we stay completely still and don't make any sudden moves.