I think your assessment that my argument is "wrong" is inappropriate. You'll see that my argument is supported by the WHO (Bulletin of the World Health Organization 2011;89:88–89).

>Another reason is commercial. Antibiotics, in particular, have a poor return on investment because they are taken for a short period of time and cure their target disease. In contrast, drugs that treat chronic illness, such as high blood pressure, are taken daily for the rest of a patient’s life. “Companies have figured out that they make a lot more money selling the latter drugs than they do selling antibiotics,” Spellberg says, highlighting the lack of incentive for companies to develop antibiotics.