You seem to be assuming some of these things aren't being done. Antibiotic stewardship is a major push in most hospitals, and there are national level evaluati

You seem to be assuming some of these things aren't being done. Antibiotic stewardship is a major push in most hospitals, and there are national level evaluation programs for antibiotic overuse. But, as people have noted, there are other countries also driving usage (for example, China heavily uses colistin, while its a drug of last resort in the U.S.), and once resistance is established, it's very hard to make it go away.