And in the paper, from the abstract,
> We demonstrate that the Faithfulness property that is assumed in much causal analysis is robustly violated for a large class of systems...
In preliminaries,
> The Faithfulness assumption is that no conditional correlation among the variables is zero unless it is necessarily so given the Markov property.
So probably a more accurate laymam description would be "not all causations are observable as a statistical correlation relationship".
And in the paper, from the abstract,
> We demonstrate that the Faithfulness property that is assumed in much causal analysis is robustly violated for a large class of systems...
In preliminaries,
> The Faithfulness assumption is that no conditional correlation among the variables is zero unless it is necessarily so given the Markov property.
So probably a more accurate laymam description would be "not all causations are observable as a statistical correlation relationship".