We should be rooting for teixobactin, because we need new drugs. The danger of a world with unchecked antibiotic-resistant infection is the stuff of dystopian fiction (or, if you only have 15 minutes, an early episode of the podcast
"Meanwhile in the Future").
Our relationship with antibiotics and bacteria will never be a settled one. Bacteria will continue to adapt and thrive. If we want to do the same, we can’t forget the mortality of our drugs.