You are describing how it is desirable to have the good and bad. Death is good. Aging is good. Disease is good. I don't necessarily disagree with your premise. However, these are not the things that people typically want or desire to fill their lives. When you talk about creation and destruction being natural phenomenon, I agree. But invoking the law of attraction should stop the destruction part if that's what I want to attract. This is irrespective of it being objectively good or bad.
From the moment we’re born, every single one of us receives societal programming: parental, media, peer. Very few of us have a true idea of what our authentic essence is and what it truly desires to thrive. Manifesting starts with taking deep inventory of that programming we’re raised with, then getting into your authentic essence and asking yourself what you truly want—and, finally, breaking the mold of what limits you from achieving that.