Even if the addition is really driven by the environment, rather than its subject itself, can individuals actually solve the underlying social problem? Can they

Even if the addition is really driven by the environment, rather than its subject itself, can individuals actually solve the underlying social problem? Can they do so in a way that's actually scalable to a significant portion of the population? If your work, or lack of money, or your kids school, or your parents health are causing you stress, most often you can't simply "change your environment" to a less stressful one.