Does it really matter what the causes of the depression and anxiety are if there is no easy way to change them (global warming, debt, parody of a government, ne

Does it really matter what the causes of the depression and anxiety are if there is no easy way to change them (global warming, debt, parody of a government, news that's hyperbole not information, overwhelming technology, world competition, and so on)? None of those are going away, so the emphasis needs to be on taking care of the the young people (or all people) stressed by these factors. What to do? Anecdotally, I can certainly say that lessening exposure to these things really helps. But not everyone has the environment or self control to do such things.