Earlier quoted context omitted.
No, it is saying that having perseverence and working towards goals helps: “Our findings suggest that people can improve their mental health by raising or maintaining high levels of tenacity, resilience and optimism,” she said. “Aspiring toward personal and career goals can make people feel like their lives have meaning. On the other hand, disengaging from striving toward those aims or having a cynical attitude can h…
And I am saying they are mistaking correlation with causation.
"Greater within-subject increased goal persistence (but not positive reappraisal or self-mastery) led to larger future declines in disorder counts. However, within-subject change in disorder counts did not substantially influence future change in each cognitive or behavioral strategy"