Earlier quoted context omitted.
It's potentially worse, as it points to a distrust of the system, not individual companies or industries. Presumably we'll bottom out, but unless there's a dramatic change in those policies, prices will reflect the "new normal", not the previous status quo.
so stocks are less related to individual company performance than they should be?
Also, companies don't exist in a vacuum. Every US company is impacted by the actions of the federal government. Some companies may be able to come out ahead, but many others will struggle. And predicting which is which is incredibly difficult.