They apparently confuse various forms of correlation with causation. Witness this definition of causality given in a report about tort law.
"Wiener-Granger or Granger deﬁnition of causality.…It can be formulated in a simplified way as follows: Definition: x is a Granger cause of y (denoted as x-y), if present y can be predicted with better accuracy by using past values of x rather than by not doing so, other information being identical”
Unfortunately, that's correlation, not causality. Causality is when a firm statistical correlation is obtained, a reason to believe x causes y is established, and reason to exclude alternative hypotheses is established. Wiener-Granger only establishes the first.
So be careful when someone tells you that something is "statistically proven"--remember Disraeli's "Lies, Damned Lies, and Statistics."
Also take a look at the premise of the paper I linked; they admit that tort law imposes a 2.2% "tax" on all of us here, and then they deny that having 2.2% less to spend has any effect on hiring, or elsewhere in the economy. I suggest that those of us who have a "budget" know better.
It seems that our world has a lot of people who are tremendously skilled with various technical tools, but have failed to learn the basic discipline of logic.
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