Because certain people believe that because we're spending time writing these lists, it's a sign that we're not being productive.
On the contrary: we're more productive than any other generation. We have instant communication, incredibly powerful tools for computing information, and creating things is easier now than it's ever been before. Because of that, people have more time to unwind. Possibly it's even necessary to keep our minds relaxed. Those things get ignored by Time Magazine, which likes sensationalism and negativity because it sells.
On the contrary: we're more productive than any other generation. We have instant communication, incredibly powerful tools for computing information, and creating things is easier now than it's ever been before. Because of that, people have more time to unwind. Possibly it's even necessary to keep our minds relaxed. Those things get ignored by Time Magazine, which likes sensationalism and negativity because it sells.