It can be by design and also be complex and chaotic (i.e. both), and the cycles we are seeing have happened before.
They just have not happened in our lifetime, its surprising how few people bother reading and understanding the value of history.
As for what this action means, there was a time for course correction, for them to act, and that time has come and gone. Instead they tripled down on the failing strategy of kicking the can down the road for a short term extension.
That leaves a knifes edge between currency death by hyper-inflation, or currency death by deflation (which follows inflationary stagflation).
Both lead to unrest from the breakdown in the division of labor and energy markets often see it first since the cost of everything is derived by energy for transportation.
It astounds me how many politicians and policy makers think they can just kick the can down the road without any consequence following a strategy of I won't be around when it comes due. The bill for debts always comes due.