Ka S U.
Yes but not all. Many things serve a special purpose: chairs, pens, computers, phones. But sometimes we buy things we never use or only serve to indulge ourselves. Indulgence isn't always bad, but it's often the main reason we buy things. The other purposes need a chance to shine too.
YES. Marie Kondo in a nutshell-if it has no purpose, it’s just taking up space in your life, mind and daily going abouts. All I own and use should have purpose, spark joy and be adding to my life, working for me!