> In other words, we're likely to do more harm than good by imposing interventions because we cannot accurately predict their outcomes.
This doesn’t follow from your premise.
> We know central planning doesn't work
Europe conquered the world using central planning. Every society on earth with any measure of security, order, and cleanliness to speak of is dominated by a central bureaucracy. It works.
> under the false notion that it's better to do something rather than nothing.
Doing nothing is precisely why anarcho-capitalists failed to change anything. Everyone smart associated with that movement studied power dynamics and moved onto other projects.