Read the following passage and answer the questions based on the passage:
Goal setting, when pursued with intentionality, is not merely a motivational slogan—it is a cognitive and behavioral process that catalyzes structured action. While the concept may appear deceptively simple, establishing meaningful personal goals involves self-awareness, foresight, and disciplined execution. One of the primary distinctions between passive desire and purposeful ambition lies in specificity. A vague aspiration such as 'I want to be successful' lacks operational clarity, whereas a goal like 'I aim to complete a professional certification within six months' provides a measurable and time-bound framework. This clarity fosters accountability and helps individuals gauge their progress objectively. Psychologists emphasize the SMART framework—Specific, Measurable, Achievable, Relevant, and Time-bound—as a foundational strategy for effective goal setting. However, even well-formulated goals can falter without intrinsic motivation. When goals are externally imposed or socially conditioned, they often lead to compliance rather than commitment. True sustainability in personal growth arises from internally generated objectives aligned with one's values and long-term vision. Moreover, it is essential to distinguish between outcome goals and process goals. While the former focuses on the final result, the latter centers on daily habits and behavioral consistency. Ironically, it is often process adherence—not obsession with outcomes—that leads to long-term accomplishment. Individuals who overfixate on results may experience burnout, especially when success is delayed. Another overlooked dimension is goal flexibility. In a dynamic environment, rigid goal adherence can lead to frustration or irrelevance. Adaptive thinking enables individuals to recalibrate their direction without perceiving it as failure. Reflection, therefore, becomes an integral tool—ensuring that one's aspirations remain context-sensitive and personally meaningful. Ultimately, goal setting is not a singular event but an evolving cycle of intention, action, reflection, and adaptation. When undertaken mindfully, it transforms individuals from passive aspirants to purposeful actors in their own narrative.
According to the passage, what is a core reason why vague goals often fail?