> The only question that remains is: Stupidity or malevolence?
Stupidity. On your end. Let me address your claims one by one.
> the end of Bretton Woods
Ending Bretton Woods was voluntary. The gold standard leads to volatile inflation; look at the graph in [1]. Volatile inflation is bad because it makes transactions that take time to repay uncertain, see this video [2] for a layman explanation
> the early 80s recession, the 2000 and 2008 economic crisis
If economists at a central bank can foresee a crisis, the crisis doesn't happen. Full stop. What you are left, is, by definition, the ones people who work in regulation didn't see coming. Also note that those crises weren't foreseen by almost anyone, because of the nature of markets.
If you want to prevent crises, you need to put regulation up front that discourages the kind of short-sighted and reckless managerial and shareholder behavior that leads to those.
Hinging the stability of the economic system on the ability to catch an upcoming crisis in the making is doomed to fail, because you need a 100% accuracy (like making a system unhackable -- negative goals are much harder than positive goals).
> the currency race to the bottom
Do you mean low positive inflation, or are you buying into Donal Trump's talking points? Because if it's the former, it's intended, if it's the latter, I'm sorry to say you'll need sources to convince anyone that that's indeed something that exists.
All in all, what your post translates to is "I don't understand any of these things but I'm angry", which is not the right way to advise policy.
[1] https://upload.wikimedia.org/wikipedia/commons/8/83/US_Infla...
[2] https://www.youtube.com/watch?v=MfM1utsEEZA